这是一个值得观察和探究的奇怪主题，仇恨和爱在本质上是否不是同一回事。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
The method of psychology must be objective, even when studying subjective phenomena.
If your tanning process wouldn't withstand a documentary film crew, it's time to rethink your methods.
我们大多数人都不是为了理解而听。我们是为了回应而听。
理论物理学中的知识追求是一场没有终点的旅程，每一个答案都会引出新的问题。