自由始终是并且仅仅是持不同思想者的自由。

不偏不倚叫做中，不改变叫做庸。

Character is destiny.

I don’t like to be small. I like to be big.

听不到门内嬉笑怒骂，可知这家治理严明；座右题写着格言名句，能知此人志趣高雅。

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

实现实用的量子计算机需要在硬件和软件方面都取得突破。