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.

Time does not heal all wounds; it just numbs the pain.

I don't think about music in terms of categories. I just play what feels good.

The ocean's bounty is a privilege, not an entitlement.

复杂性理论告诉我们，并非所有问题都是平等的；有些问题本质上比其他问题更难。