铁蛋儿的问题，不是他不识字，也不是他不会思考，而是他不知道什么是思考，并且将其与感觉相混淆。

He was a man who had always been too busy to live, and now he was too busy to die.

The beauty of mathematics only shows itself to more patient followers.

心理过程之所以存在，是因为它们服务于生命的延续。