"Never trust anyone. You are always alone, and betrayal is inevitable."

"Never deprive someone of hope -- it may be all they have."

"To thine own self be true, and it must follow, as the night the day, thou canst not then be false to any man."

"The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being."

"The only way to reform some people is to chloroform them."

"Whatever else can be said about sex, it cannot be called a dignified performance."

"Never put off until tomorrow what you can do the day after tomorrow."

"Workers of the world unite, you have nothing to lose but your chains."

"Brains, like hearts, go where they are appreciated."

"It is better to have dreamed a thousand dreams that never were than never to have dreamed at all."

"Music . . . can name the unnameable and communicate the unknowable."

"It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts."