Well, I'd call good and evil really good vs. nature. I know some people would argue just about till we both turned blue in the face that animal's 'evil' is nothing like ours and that they do the same things we do both positive and negative but really its signs that all kinds of things - pettiness, malignant narcissism, eugenic narcissism/social Darwinism, etc. etc. come from the combined stress of how the forces of nature shape our struggle to survive, the lossiness and fragility of our own DNA, and in general we're still incredibly barbaric by absolute standards if we were to consult the best in ourselves mainly because that environmental hardship has only let up so much - we've come a long way but still have a long way to go. Those who do science and can do it well though have a lot of say in hastening a better future.
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The loneliest part of life: it's not just that no one is on your cloud, few can even see your cloud.