释义：在人的一生中，应当做到无愧于古人。即要努力做到像古代的贤人一样，有高尚的品德和行为，不因个人的私欲而做出违背道德和原则的事情。

A company's biggest cost is the opportunity cost of slow decisions.

Collaboration is key in modern research—no single mind can solve the grand challenges alone.

I’m not afraid of dying, I’m afraid of not trying.

"I want to write books that make children think and feel."