历史学家是向后看的先知。
The architect must be a prophet... a prophet in the true sense of the term... if he can't see at least ten years ahead don't call him an architect.
What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.
电的定律如此简单,可以用几行字表达,却又如此多样,其后果永远无法穷尽。