Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph.

Without a strong team, even the best idea will fail.

An ounce of practice is worth more than tons of preaching.

"I don't live in the past. I don't live in the future. I live now."

The best mathematics is that which you do not understand at first glance.

不相容原理无法从旧量子力学中推导出来，而是一条新的自然法则。