一个人的性格就是他的命运。

拍卖理论的挑战在于平衡简洁性和策略复杂性。

人的感情容易变化反复，人生之路常会崎岖不平。

When I see someone wasting a glass of water, I think of those who don't have water on Earth.

People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.

不要烦恼啊不要烦恼，心怀烦恼的人更容易衰老。