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"The major threats to survival that our ancestors faced - predators, starvation, disease - left their mark on our fears and anxieties."
我们祖先面临的主要生存威胁 - 捕食者、饥饿、疾病 - 在我们的恐惧和焦虑中留下了印记。
The very essence of instinct is that it's followed independently of reason.
The best research often comes from unexpected observations.