On earth there is nothing great but man;in the man there is nothing great but mind.
最伟大的发现来自于提出最简单的问题。
The desire for recognition, the thymotic part of the soul, is the most political part of man.
在观察的领域中,机遇只偏爱那种有准备的头脑。
The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.