历史不仅是发生的事，更是我们记住的事以及记住的方式。

The Ethiopians say that their gods are snub-nosed and black, the Thracians that theirs have light blue eyes and red hair.

Don't you be afraid, sweet heart. Death is just a part of life. Something we're all destined to do. I didn't know it, but I was destined to be your mama. I did the best I could. Well...I happen to believe you make your own destiny. You have to do the best with what God gave you.

尿素合成是一个幸运的发现，但它开辟了一个新的研究领域。