物理学的美丽在于它能够用一些基本原理来描述宇宙。

The best way to learn econometrics is by doing—working with real data and real problems.

"We are all in the gutter, but some of us are looking at the stars."

"The universe is full of surprises, and it's our job to uncover them."

"Memory is the diary that we all carry about with us."

"The best stories are those that leave room for the reader's imagination."

我不是来被喜欢的，我是来被尊重的。