Happiness is that state of consciousness which proceeds from the achievement of one's values.

一个人的好名声不是轻而易举就能够得到的；名誉也不是靠欺诈伪装的手段来赢得的。

The human brain is a social brain, and it evolved to deal with social relationships.

The study of mathematics is a journey without an end.

写作是一种超越生活的生活方式。