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la rochefoucauld

More maxims of François VI, Duc de La Rochefoucauld (1613–1680):

  • “We always love those who admire us; but we don’t always love those whom we admire.”
  • “There are people who would never have been in love, if they had never heard talk of Love.”
  • “The Generality of People judge of Men by their Reputation, or Fortune.”
  • “Men would not live long in Society, if they were not the mutual Dupes of one another.”
  • “Titles, instead of exalting, debase those who don’t act up to them.”
  • “Prosperity is a stronger Trial of Virtue than Adversity.”
  • “Weak People can’t be sincere.”
  • “‘Tis more difficult to be faithful to a Mistress when on good Terms with her, than when on bad.”
  • “‘Tis not so dangerous to do Ill to most Men as to do them too much Good.”
  • “A Man often imagines he acts, when he is acted upon; and while his Mind aims at one thing, his Heart insensibly gravitates towards another.”
  • “When great Men suffer themselves to be subdued by the Length of their Misfortunes, they discover that the Strength of their Ambition, not of their Understanding, was what supported them; and that, bating a little Vanity, Heroes are just like other Men.”
  • “Cunning and Treachery proceed from Want of Capacity.”
  • “If we took as much Pains to be what we ought, as we do to deceive others by disguising what we are; we might appear as we are, without being at the Trouble of any Disguise.”

And “‘Tis a Mistake to imagine that only the violent Passions, such as Ambition and Love, can triumph over the rest. Laziness, languid as it is, often masters them all; she indeed influences all our Designs and Actions, and insensibly consumes and destroys both the Passions and the Virtues.”

| Quotations

Pleased, I’m Sure

https://commons.wikimedia.org/wiki/File:Poesias_(1858)_-_Pag_24.png

A problem by Atlantic College mathematician Paul Belcher:

Anna and Bert invite n other couples to a dinner party. Before the meal begins, some people shake hands. No one shakes hands with their own partner, no one shakes hands with themselves, and no two people shake hands with each other more than once. Afterward, Anna asks all the other 2n + 1 people how many times they shook hands, and she gets a different answer from each of them. How many times did Anna shake hands?

Click for Answer
| Puzzles

In a Word

http://www.freeimages.com/photo/paris-1395428

topolatry
n. excessive reverence for a place

Of the million or so Japanese who visit Paris each year, about 12 have to be repatriated due to “Paris syndrome,” a transient psychological disorder brought on when the mundane reality of the city clashes with their romanticized expectations.

The syndrome was first diagnosed by Hiroaki Ota, a Japanese psychiatrist working in France. Symptoms include delusional states, hallucinations, feelings of persecution, and anxiety.

“Fragile travellers can lose their bearings,” psychologist Hervé Benhamou told Le Journal du Dimanche. “When the idea they have of the country meets the reality of what they discover, it can provoke a crisis.”

(A. Viala et al., “Les japonais en voyage pathologique à Paris : un modèle original de prise en charge transculturelle,” Nervure 5 (2004): 31–34.)

| Oddities

Podcast Episode 85: Raising Chicago

https://commons.wikimedia.org/wiki/File:Briggs_house.jpg

In 1868, visiting Scotsman David Macrae was astonished to see Chicago transforming itself — dozens of buildings were transplanted to the suburbs, and hotels weighing hundreds of tons were raised on jackscrews. In this week’s episode of the Futility Closet podcast we’ll follow the city’s astounding 20-year effort to rid itself of sewage and disease.

We’ll also learn how a bear almost started World War III and puzzle over the importance of a ringing phone.

See full show notes …

| History · Podcast · Technology

Putting Words

https://commons.wikimedia.org/wiki/File:Hideki_Tojo.jpg

In 1946, when Japanese prime minister Hideki Tojo was being held prisoner by the victorious Allies, he asked for a set of dentures so that he could speak clearly during his war crimes trial.

The dentures were made by 22-year-old military dentist E.J. Mallory. “I figured it was my duty to carry out the assignment,” Mallory remembered in 1988. “But that didn’t mean I couldn’t have fun with it.”

An amateur ham radio operator, he inscribed the phrase “Remember Pearl Harbor” in Morse code into the dentures and delivered them to Tojo.

Mallory and his colleague George Foster told a few friends, but the secret got out and the two had to awaken Tojo in the middle of the night to borrow back the dentures and grind out the message. The next day, when a colonel confronted them, they were able to say truthfully that there was no message.

It’s not known whether Tojo ever found out what had happened. He was executed in 1948.

“It wasn’t anything done in anger,” Mallory remembered in 1995. “It’s just that not many people had the chance to get those words into his mouth.”

| History · Oddities

A Christmas Challenge

http://www.gchq.gov.uk/press_and_media/news_and_features/Pages/Directors-Christmas-puzzle-2015.aspx

Here’s a unique challenge for the holidays — one of the United Kingdom’s intelligence agencies, GCHQ, is distributing the puzzle above on its Christmas card this year. (See GCHQ’s website for details and a high-resolution grid.)

The puzzle is a nonogram: Each row and column bears a string of numbers that indicates the lengths of consecutive runs of black squares that will appear there when the grid has been completed. For example, “3 3” in the eighth row means that in the finished puzzle two shaded sections of 3 squares each will appear somewhere along its length. Some squares in the grid have already been shaded to get you started.

“By solving this first puzzle players will create an image that leads to a series of increasingly complex challenges,” notes the agency. “Once all stages have been unlocked and completed successfully, players are invited to submit their answer via a given GCHQ email address by 31 January 2016. The winner will then be drawn from all the successful entries and notified soon after.” The agency invites players to make a donation to the U.K.’s National Society for the Prevention of Cruelty to Children if they’ve enjoyed the puzzle.

(Thanks, Alex.)

02/08/2016 UPDATE: The answers have now been revealed — see the link at the bottom of this post.

| Puzzles

Art and Science

A reader passed this along — in a lecture at the University of Maryland (starting around 34:18), Douglas Hofstadter presents Napoleon’s theorem by means of a sonnet:

Equilateral triangles three we’ll erect
Facing out on the sides of our friend ABC.
We’ll link up their centers, and when we inspect
These segments, we find tripartite symmetry.

Equilateral triangles three we’ll next draw
Facing in on the sides of our friend BCA.
Their centers we’ll link up, and what we just saw
Will enchant us again, in its own smaller way.

Napoleon triangles two we’ve now found.
Their centers seem close, and indeed that’s the case:
They occupy one and the same centroid place!

Our triangle pair forms a figure and ground,
Defining a six-edgéd torus, we see,
Whose area’s the same as our friend, CAB!

(Thanks, Evan.)

| Poems · Science & Math

Small Business

Klaus Kemp is the sole modern practitioner of a lost Victorian art form — arranging diatoms into tiny, dazzling patterns, like microscopic stained-glass windows.

Diatoms are single-celled algae that live in shells of glasslike silica. There are hundreds of thousands of varieties, ranging in size from 5 to 50 thousandths of a millimeter. In the latter part of the 19th century, professional microscopists arranged them into patterns for wealthy clients, but how they did this is unknown — they took their secrets with them. Kemp spent eight years perfecting his own technique, which involves arranging the shapes meticulously in a film of glue over a period of several days.

“As a youngster of 16 I had a great passion for natural history and came across a collection of sample tubes of diatoms from the Victorian era,” he told Wired. “I was immediately struck by the beauty and symmetry of diatoms. The symmetry and sculpturing on an organism that one cannot see with the naked eye astonished me, and after 60 years of following this passion I can still get excited from the next sample I receive or collect.”

| Art · Science & Math

The Császár Polyhedron

The ordinary tetrahedron, or triangular pyramid, has no diagonals — every pair of vertices is joined by an edge. How many other polyhedra have this feature? In 1949, Hungarian topologist Ákos Császár found the specimen above, which has 7 vertices, 14 faces, and 21 edges.

But so far these two are the only residents in this particular zoo. The next possible such creature would have 44 faces and 66 edges, but this isn’t realizable as a polyhedron. Whether there’s anything beyond that is not known.

| Science & Math

Briefly Noted

Ira D. Sankey’s 1873 music collection Sacred Songs and Solos contains the hymn “There is a land mine eyes have seen.” The index lists this as:

‘There is a land mine’

In the Sunday Times, March 15, 1964, F.N. Scaife recalls seeing a similarly odd entry in an old hymn book. The first lines of the hymn were:

O Lord, what boots it to recall
The hours of anguish spent

This was indexed as:

‘O Lord, what boots’

| Literature