Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

一本好书的衡量标准在于它让你思考和感受的程度。

The multiverse is not a theory, it is a consequence of our best theories.

在量子力学的领域里，观察者成为实验的一部分，仅仅通过观察的行为就改变了结果。