Science is the greatest adventure of the human mind.

Space is the breath of art.

And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'

Tell your heart that the fear of suffering is worse than the suffering itself. And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity.

治理大国如同烹调小鱼（不宜过多翻动）

All great art and literature is propaganda.

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.

算法的美在于它们能够解决乍一看似乎无法解决的问题。