"#3530. That which does not appear to exist is to be regarded as if it did not exist."

"Good humor is one of the best articles of dress one can wear in society."

"If at first you don't succeed, try, try, and try again. Then give up. There's no use being a damned fool about it."

"Under conditions of tyranny it is far easer to act than to think."

"Practical observation commonly consists of collecting a few facts and loading them with guesses."

"I am somehow less interested in the weight and convolutions of Einstein's brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops."

"Seeing much, suffering much, and studying much, are the three pillars of learning."

"If I knew I was going to live this long, I'd have taken better care of myself."

"The years as they pass plunder us of one thing after another."

"Bibo, ergo sum. - I drink, therefore I am"

"No one can build his security upon the nobleness of another person."

"When you work with kids who have autism, they don't reciprocate any affection. You learn to find your self- worth within what you do, not what people tell you about yourself."