Whatever you're meant to do, do it now. The conditions are always impossible.
The most important thing in mathematics is to ask the right questions.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
True happiness comes from inner fulfillment.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night and won't see the sun of the day after tomorrow.