当一个人已经腐化而侮辱了他思想的纯洁，从而宣扬他自己不相信的东西，他已经准备好犯其他任何的罪行。

科学是由人创造的，这是一个太过经常被遗忘的自明事实。

You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you.

化学是在分子水平上操纵物质的艺术，而催化是其最强大的画笔。

"The journey of a thousand miles begins with a single step."