The jaws of power are always open to devour, and her arm is always stretched out, if possible, to destroy the freedom of thinking, speaking, and writing.

至今一切社会的历史都是阶级斗争的历史。

We are all searching for something, even if we don't know what it is.

一个国家的真正财富来自于它的土壤。

技术没有边界，但应用必须有方向。

Psychology should focus on how the mind functions to solve practical problems, not just its abstract structure.

发怒如猛虎伤人，欲念似深渊难填。