元素周期表不仅是一张图表，它是宇宙的故事。

真相很少是纯粹的，也从来不简单。

What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.

I would like to make it clear, in parenthesis, that I do not blame my parents for their point of view. There is an expiry date on blaming your parents for steering you in the wrong direction; the moment you are old enough to take the wheel, responsibility lies with you.

Quality is never an accident; it is always the result of intelligent effort.