Psychology must be based on direct experience and introspection.
我们今天做的每一个决定都塑造着我们留下的世界。
The most important political development of the last two centuries has been the rise of the modern state.
胜利会带来仇恨,被击败者生活在痛苦之中。和平的人放弃胜败。
The stock market is filled with individuals who know the price of everything, but the value of nothing.