最终,我们都会变成故事。
The joy of discovery in mathematics is unparalleled.
人不是为了自己而活,而是为了某人而活,才能找到真正的自我。
There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.
没有牺牲,就没有自由。