改变不会一夜之间发生，但每一步前进都是朝着正确的方向迈出的一步。

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

Men are born ignorant， not stupid； they are made stupid by education.

如果服务得好，临时的东西可以变成永久的。

现在是理解过去的钥匙。

色散理论是连接量子力学的抽象形式与我们观察到的具体现象之间的桥梁。