A mathematician's intuition is as important as rigorous proof.

痛苦是净化灵魂的火焰。

数学的力量来自于它的抽象和概括能力，将具体问题转化为普遍真理。

我不必完美。我只需要尽我所能。

Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.