Sometimes the hardest part of the journey is believing you're worthy of the trip.

计算的本质在于信息的转换。

勇气不是没有恐惧，而是战胜恐惧。

Grit is passion and perseverance for very long-term goals.

牛痘可以保护人体免受天花的感染。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

数学是给不同事物起相同名字的艺术。

A thermonuclear war cannot be considered a continuation of politics by other means (according to the formula of Clausewitz). It would be a means of universal suicide.

The supreme question about a work of art is out of how deep a life does it spring.

Don’t let the noise of others’ opinions drown out your own inner voice.