If you don’t drive your business, you will be driven out of business.

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

If you tell the truth, you don't have to remember anything.

在观察性研究中，我们常常不得不依赖于无法直接检验的假设。

世间万物，没有孤立存在的，必然有其对立面。