It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.