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If a doctrine is not unintelligible, it has to be vague; and if neither unintelligible nor vague, it has to be unverifiable.
当教授坚持说计算机科学是X但不是Y时,请对他的研究生抱有同情心。
"That is what is so strange, that people will not believe what is really true, what is before their eyes."
不是所有面对的事情都能改变,但在面对之前,什么都不会改变。
我的语言的界限意味着我的世界的界限。
The best way to help people is not to do things for them, but to help them do things for themselves.