心理学必须是一门关于事实的科学，而非理论。
"In the silence of reading, the loudest voices of humanity can be heard."
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
