数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。

I'm not here to be liked; I'm here to be heard.

You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。