符号是思维的媒介。

The secret of life is to appreciate the pleasure of being terribly, terribly deceived.

质量不是保证；它是一种承诺。

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.

Patience is bitter， but its fruit is sweet.

当你能够以非凡的方式做生活中的平凡事时，你就会赢得全世界的关注。

生活从来不是公平的……而且，或许对我们大多数人来说，这是件好事。

我们最高的努力必须是培养自由的人类，他们能够自己赋予生活目的和方向。