A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
不要一直重复犯错;试着去犯新的错。
"The past is never dead; it’s not even past until we’ve written it."
"The most important thing in empirical work is to be clear about the question you are trying to answer."
The quantum world appears to us as a web of relations rather than a collection of objects.
The secret of being miserable is to have leisure to bother about whether you are happy or not.