行为法则可以从基本的生理原则中推导出来。
We are what we pretend to be, so we must be careful about what we pretend to be.
行为的科学研究必须基于客观、可测量的数据。
银河系中心是强引力下的一个独特的自然实验。
Whatever you're meant to do, do it now. The conditions are always impossible.