质量不是保证；它是一种承诺。
数学中最重要的技能是提出正确问题的能力。
All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.
我创作的灵感来自生活，也来自幻想。
Don’t just aim for success—aim for significance.
You have to expect things of yourself before you can do them.
The measure of a good book is whether or not it makes you see the world differently.