"Man, who preys both on the vegetable and animal species, is himself a prey to neither. He too possesses the reproductive principle far beyond the degree requisite for the bare continuance of his species. What becomes of the surplus of human life to which this principle is competent?"

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For most of us even the imagined threat of criticism functions to control our behavior. We are haunted to some degree by questions about our self-worth. As a consequence, we continually attempt to prove to ourselves and others that we are okay people, credible, trustworthy, and competent.

— Robert D. Hare