The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.
介導疼痛的分子非常古老，揭示了這種感覺在進化中的深遠根源。
人性的弱點總是充滿貪婪、恐懼或者是愚蠢，這是完全可以預測的，但是我們無法預測這種人性弱點的發(fā)生順序。
When you have to kill a man it costs nothing to be polite.
"The best way to predict the future is to create it."
I'm not a role model, I'm a cautionary tale.