“How happy many people would be if they cared about other people’s affairs as little as about their own.” — G.C. Lichtenberg
“Most people enjoy the inferiority of their best friends.” — Lord Chesterfield
“We all have strength enough to endure the misfortunes of others.” — La Rochefoucauld
“I set it down as a fact that if all men knew what each said of the other, there would not be four friends in the world.” — Pascal