文字的纪律既惩罚愚蠢也惩罚不诚实。
The discipline of the written word punishes both stupidity and dishonesty.
I don’t need a reason to be great.
The deepest problems in mathematics often arise from the simplest questions.
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
美即是真，真即是美——这就是你们在世上所知道、也该知道的一切。