In mathematics, the art of proposing a question must be held of higher value than solving it.
"Sometimes, you have to be apart from people you love, but that doesn't make you love them any less. Sometimes, it makes you love them more."
A physicist's intuition is like a compass in the wilderness of complexity.
如果我们挑选出人类中最聪明、最具想象力、最精力充沛且情绪最稳定的三分之一，所有种族都会包含其中。
The best way to gain self-confidence is to do what you are afraid to do.