道德的基础是对他人的同情。
The foundation of morality is sympathy for others.
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.
Good can exist without evil， whereas evil cannot exist without good.
当你能永远活着时，你为了什么而活？
祖国是祭坛，不是基座。
质量不仅仅是一个目标，它是一个旅程。