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Fear is not real. It is a product of thoughts you create.
恐惧不是真实的。它是你创造的思想的产物。
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.
We have more than enough wealth and power for those who can enjoy simple pleasures.
科学家与公众之间的对话对于负责任的创新至关重要。