You'll never be able to please everybody, so you might as well be yourself.

Quality is never an accident; it's the result of intelligent effort and relentless focus.

There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.

我一直以为人是慢慢变老的，其实不是，人是一瞬间变老的。

每一次科学发现都是对自然界的一次新的对话，它让我们更接近宇宙的奥秘。