The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?
不相容原理无法从旧量子力学中推导出来,而是一条新的自然法则。
积极心理学不是一种奢侈品;它是美好生活的必需品。
书是一个小小的奇迹。