我们活着就是为了改变世界，否则还有什么意义？
We’re here to put a dent in the universe. Otherwise why else even be here?
I don't think you can ever really change who you are, but you can change how you live your life.
Chemistry is the science of connections, both literal and metaphorical.
如果你无法简单地解释它，说明你理解得还不够透彻。
我不相信失败。如果你享受了过程，那就不是失败。