A pessimist sees the difficulty in every opportunity； an optimist sees the opportunity in every difficulty.
悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
There’s no such thing as too much butter in a recipe—only too little joy.
We don't just manufacture chemicals; we enable progress.
I don't chase success. I define it.
The process of scientific discovery is as important as the discovery itself, for it teaches us about the nature of inquiry and the limits of our understanding.