The artist is a receptacle for emotions that come from all over the place: from the sky, from the earth, from a scrap of paper, from a passing shape, from a spider’s web.

条件作用原理同样适用于所有物种。

如果在战争获胜后得不到任何东西，不要开战。

心理学应该是关于心理生活的科学，包括其现象及其条件。