The method of psychology must be as exact as that of the physical sciences.

"To write is to breathe, to live, to exist beyond the boundaries of time."

无产阶级平等要求的实际内容都是消灭阶级的要求。

The most advanced agricultural systems still depend on the most fundamental element: healthy soil.

"To write is to bear witness to the human condition."

你不必总是和别人在一起才能快乐。你可以独自快乐。