在量子世界中，观察某物会改变它。这不是我们技术的限制，而是自然界的基本属性。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
心理学家必须避免一切目的论的解释。
福楼拜认为不能用一种艺术形式解释另一种，伟大的画作无需言语解说。