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They were passive, greedy, and incredibly, fantastically selfish. Almost all of them had the psychology of slaves -- slaves of religions, slaves of their own kind, slaves of their pathetic passions, slaves of avarice. And if the fates decreed for one of them to be born or become a master, he didn't know what to do with his freedom. He would again hurry to become a slave -- a slave of wealth, a slave of outlandish excesses, a slave of his slaves. The vast majority of them weren't guilty of anything. They were too passive and too ignorant. Their slavery was the result of passivity and ignorance, and passivity and ignorance again and again breeds slavery. 

此处想引用阿西莫夫的一句话：“面对愚昧，神们自己，也缄口不言。”