A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do.
The last temptation is the greatest treason: to do the right deed for the wrong reason.
I never know what I think about something until I read what I've written on it.
当你评判别人时，你不是在定义他们，而是在定义自己。
逻辑学研究不仅仅是关于形式系统，更是关于理解人类推理的本质。