To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
最大的错误就是以为自己无所不知。保持谦逊,不断学习。
在寻找真理的过程中,没有最终的答案,只有更好的问题。
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
To live is the rarest thing in the world. Most people exist, that is all.
The only way to do great work is to love what you do.