We are all given one thing by which our lives are measured, one determination.

酸和碱是互补的；没有另一个，一个就无法存在。

人类的存在是宇宙中一种微小而独特的表现，我们应当珍惜并在有限的生命中发挥出色。

I'm very competitive and ambitious, but I don't have a desire to be number one. I just want to do really interesting work and push myself.

化学的艺术在于分离、识别和量化不同物质的能力。