Innocent was the same as ignorant because knowledge gets in the way of their innocence and they have solitude,living in paradise.

或说愚昧无知,因为知识使人不再清白,他们在天堂里感到了孤独

耶鲁公开课 - 古希腊历史简介课程节选

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