Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

最大的风险就是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。

There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air.

文学的目的是将血液转化为墨水。

数学是理性的音乐。