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“I have sought to prove ... that the code of enmity is a necessary part of the machinery of evolution. He who feels generous towards his enemy, and more especially if he feels forgiveness towards him, has in reality abandoned the code of enmity and so has given up his place in the turmoil of evolutionary competition. Hence the benign feeling of perfect peace that descends on him.” — Arthur Keith
I have sought to prove ... that the code of enmity is a necessary part of the machinery of evolution. He who feels generous towards his enemy, and more especially if he feels forgiveness towards him, has in reality abandoned the code of enmity and so has given up his place in the turmoil of evolutionary competition. Hence the benign feeling of perfect peace that descends on him.