Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

I don’t let success define me, I let it refine me.

可持续性必须成为每个化学制造过程的核心，否则我们可能会留下一个无法修复的世界。

“应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。”

Nothing is certain， and nothing is impossible.

Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.