The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。
悲观主义者的决定性特征是，他们倾向于相信坏事会持续很长时间，会破坏他们所做的一切，并且是他们自己的错。
锂离子电池彻底改变了便携式电子设备，但我们必须突破其局限。
The office of President is great, but the man who holds it is not.
译文：一个人的脾气性格不平和，无论是做事还是做学问，都不可能有上进；一个人油嘴滑舌，夸夸其谈，那么这个人的品质和心术就值得怀疑了。赏析：不论是做事还是做学问，一定要平心定气，心无二用，方能有所成就。伶牙俐齿本不是坏事，但油嘴滑舌，言过其实，这样的人就应该警惕。
The best companies are started not because the founder wanted a company but because the founder wanted to change the world.
Quality is never an accident; it is always the result of intelligent effort.
人的通病，往往是被局部所蒙蔽，而对全局的道理不明白。