问题不在于事物是否存在，而在于它是否具有能够在没有我们的情况下存在的本质。

Chemistry is not just about what you can make, but how you can make it.

I am only resolved to act in that manner, which will, in my own opinion, constitute my happiness, without reference to you, or to any person so wholly unconnected with me.

Why should a dog, a horse, a rat, have life, and thou no breath at all?

真相很少是纯粹的，也从不简单。