If you loan someone $20 and you never see them again. That makes it worth $20. 

我不关心股票的价格，我关心公司的价值。

世俗的人以自身性命为性命，而君子以万物的性命为自身性命。

Change is inevitable, but growth is optional.

膨胀是一个非常大胆的想法，但它似乎是解释宇宙观测特征的唯一方法。

The theory of Communism may be summed up in one sentence: Abolish all private property.

The greatest use of a life is to spend it for something that will outlast it.

The pursuit of knowledge is the most noble of human endeavors.