行为由当前刺激情境和过去的强化历史决定。
改变的秘诀在于集中所有精力,不是对抗旧事物,而是建立新事物。
The best stories don't come from "good vs. bad" but from the small, quiet moments that reveal our shared humanity.
I could be bounded in a nutshell and count myself a king of infinite space.