心理学必须建立在直接经验和内省的基础上。

I have always been alone, but I have never been lonely.

I’ve never been a natural, all I do is try, try, try.

What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.

对富有的单身汉应该客以重税。让某些人比其他人更快乐是不公平的。

认为更高的工资必然导致更少的工作岗位的观点过于简单化。

孔子说：“我十五岁立志于学习，三十岁有所建树，四十岁不困惑，五十理解自然规律，六十明辨是非，七十随心所欲，不违规。”