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.

成功投资的关键是拥有纪律性的心态。

A good film should be like a mirror, reflecting the complexities of human nature.

可持续性不仅是一种趋势，更是一种责任。

The best way to be happy is to be grateful.

When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.

粮食安全是国家安全的基石，我们必须牢牢把握在自己手中。

你必须是自己幸福的最好判断者。