The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

If someone tells you he is going to make a “realistic decision”, you immediately understand that he has resolved to do something bad.

科学不在于永远正确，而在于逐渐减少错误。

Collaboration across borders is key to solving global health challenges.

破坏东西比创造它们容易得多。