“Just as your body has two fundamental sensations, pleasure and pain, as signs of its welfare or injury, as a barometer of its basic alternative, life or death, so your consciousness has two fundamental emotions, joy and suffering, in answer to the same alternative. Your emotions are estimates of that which furthers your life or threatens it, lightning calculators giving you a sum of your profit or loss. You have no choice about your capacity to feel that something is good for you or evil, but what you will consider good or evil, what will give you joy or pain, what you will love or hate,
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