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When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.

父子之間要親愛，君臣之間要有禮義，夫婦之間要摯愛但還要有內外之別，老少之間有尊卑之序，朋友之間要有誠信之德。

Beauty begins the moment you decide to be yourself.

解釋：遵守禮制，可使國家長久，使社稷安定，讓人們尊卑有別，上下有序，對后代是有益處的。

啟發式研究揭示了我們是怎樣做出快速、高效的決策的，但也揭示了這些捷徑如何導致系統性錯誤。