This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...s only a living organism that faces a constant alternative: the issue of life or death. Life is a process of self-sustaining and self-generated action. If an organism fails in that action, it di
es; its chemical elements remain, but its life goes out of existence. It is only the concept of ‘Life’ that makes the concept of ‘Value’ possible. It is only to a living entity that thin
gs can be good or evil.”
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To make this point fully clear, try to imagine an immortal, indestmctible robot, an entity which moves and acts, but which cannot be affected by anything...