理解人类认知的关键在于理解符号是如何被操作的。

I’ve always been an optimist and I suppose that is rooted in my belief that the power of creativity and intelligence can make the world a better place.

成为摇滚明星的想法和成为电影明星的想法一样愚蠢。这都只是个笑话。

There is, I believe, in every disposition a tendency to some particular evil, a natural defect, which not even the best education can overcome.

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

Psychology must be based on direct experience and introspection.

绘画的行为是一种启示的行为。

The first step is to establish that something is possible; then probability will occur.