"In observational studies, we often have to rely on assumptions that are not directly testable."
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。
Don’t let the noise of others’ opinions drown out your own inner voice.
The problem is not that people are taxed too little, the problem is that government spends too much.
The more you hide, the more they look.
The path to the CEO's office should not be through the CFO's office, and it should not be through the marketing department. It needs to be through engineering and design.
道是神奇非凡的存在,灵妙而有本性,虚无而没有形象,无法预测其来去,也无法追寻其踪迹,不知其所以然而自然如此。
不要放弃你的幻想。当幻想没有了以后,你还可以生存,但是你虽生犹死。
Music is a moral law. It gives a soul to the universe, wings to the minds, flight to the imagination, a charm to sadness, gaiety and life to everything. It is the essence of order, and leads to all that is good, just, and beautiful.