一位日本摩托车手开车的时候撞上安全护栏，他虽然感到异常疼痛，但是却没意识到腿已经不在身上了，又向前开出一英里多。

Japanese biker failed to notice his leg had been severed below the knee when he hit a safety barrier, and rode on for more than a mile, leaving a friend to pick up the missing limb.

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The mere exposure effect is simply seeing something makes it likable perhaps because it becomes comfortable and safe.

它是说单纯看到某样东西就能使它变得让人喜欢,也许是因为看多了，就感到自在和安全。

耶鲁公开课 - 心理学导论课程节选

Engineers who are developing new materials, materials that can be, if you think about it, there's not very many things that you would want to put in your eye and you'll feel comportable to put in your eye so this is a very safe, a very inert material.

工程师们不断研制新的材料,这些材料应该是,想想吧,能让你们敢于,放到眼睛里的,并令人感到舒适的材料并不多,这应该是一种非常安全非常稳定的材料

耶鲁公开课 - 生物医学工程探索课程节选