At every stage of my career I have had interesting and cordial colleagues, some of whom are close friends.

At every stage of my career I have had interesting and cordial colleagues, some of whom are close friends.

在我职业生涯的每一个阶段，我都有一些有趣而热情的同事，其中一些是亲密的朋友。

-- Daniel Nathans 丹尼尔·纳森