What is most personal is most universal.

人生就像一场逆行的旅程，我也是一个匆匆的过客。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

Psychology must be based on facts, not hypotheses.

Every thought serves a purpose, even when we don't immediately perceive it.