Sometimes a thing is broken and cannot be put back together.

如果你不创新，你就是在落后。

数学的力量在于它的普遍性和抽象性。

The weight of evidence for an extraordinary claim must be proportioned to its strangeness.

质量不是承诺；它是一种交付。

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

The future is always changing, but the past is always the same.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.