Thought is the servant of action, and action is the servant of survival.
思想是行动的仆人，而行动是生存的仆人。
Chemistry doesn’t just describe the world; it transforms it.
每一本书都是一段旅程，而每一段旅程都会让你有所改变。
Thinking is behavior. The muscular habits learned in overt speech are responsible for implicit or internal speech (thought).
知识的唯一来源是经验。