This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...g the method of animals, by rejecting reason and counting on productive men to serve as their prey. Such looters may achieve their goals for the range of a moment, at the price of destruction: t he destruc- tion of their victims and their own. As evidence, I offer you any criminal or any dictatorship.

Man cannot survive, like an animal, by acting on the range of the moment
. An animal’s life consists of a series of separate cycles, repeated over and over again, such as the cycle of breeding its young, or of storing food for the winter; an animal’s consciousnes...
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