You have to spend some energy and effort to see the beauty of math.
你必须花费一些精力和努力才能看到数学的美。
在这个不断试图改变你的世界里做你自己，是最大的成就。
Every moment is a universe in itself, complete and whole.
The fundamental law of the militia is, that it be created, directed and commanded by the laws, and ever for the support of the laws.
The best science is done when diverse minds come together.
To be born again, first you have to die.
The roads are full of crowds going somewhere, but nobody knows where they are going.
坚持与固执之间的区别在于一个源自坚强的意志，另一个源自坚强的拒绝。
Always have a plan before you enter a trade.