The world is full of obvious things which nobody by any chance ever observes.

I'm not a perfectionist, but I like to feel that things are done well. More important than that, I feel an endless need to learn, to improve, to evolve.

时间不是一条线；它是一个维度，就像空间的维度一样。

The principles of logic and mathematics are true universally simply because we never allow them to be anything else.