Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.

【释义】：在爱一个人时，也要看清对方的缺点；在憎恨一个人时，也要看到对方的优点。

我不去想成为最好的，我只想比昨天更好。

Writing is an act of courage, a journey into the unknown territories of the heart and mind.