安全不仅仅是一项政策，它是必须融入我们每项操作的文化。

朗兰兹纲领是所有数学学科相互关联性的反映。

译文：和朋友交往，我们应该学习他的优点和长处，这样才能从中受益；读到古代圣贤的良言警句，必须做到身体力行，这样才算真正地把书读透了。赏析：三人行必有我师，这个世上没有十全十美之人，我们只有学习别人的优点，才能不断完善自己的人格。读书不仅要记住书中的知识，更要学以致用。

Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.