The essence of mathematics lies in its freedom.
The price of freedom is eternal vigilance.
I think all writing is a campaign against cliche. Not just cliches of the pen but cliches of the mind and cliches of the heart.
The only person you should try to be better than is the person you were yesterday.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.