The search for happiness is one of the chief sources of unhappiness.

每个人出生时都是许多人，死去时却只是一个人。

要有劳苦的心志，乐观的意趣；宏大的气度，谨慎的言行。

世界上没有什么比笑声和好心情更具感染力了。

Without some goals and some efforts to reach them, no man can live. What we call life is a journey, and the journey itself is home.

The greatest wisdom is knowing that you know nothing.

看待事的可贵处在于明理，处事的可贵处在于内心公平。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

My propositions are elucidatory in this way: he who understands me finally recognizes them as senseless.