The world is full of people who have stopped listening to themselves or have listened only to their neighbors to learn what they ought to do, how they ought to behave, and what the values are that they should be living by.

The beauty of physics lies in its ability to explain the complex with simple laws.

只要你嘴里有食物，你就暂时解决了所有问题。

任何牺牲基本自由以换取短暂安全的人，最后既得不到安全也得不到自由。（放弃基本的自由以换取苟安的人，终归失去自由，也得不到安全。）