Be good at something. It makes you valuable. Have something to bring to the table, because that will make you more welcome.

Never, ever underestimate the importance of having fun.

I always thought every day was a gift, but now I am looking for where to send the thank you note.

I was hugely impressed... was the ultimate example of a man who knew what he didn't know, was perfectly willing to admit it, and didn't want to leave until he understood. That's heroic to me. I wish every grad student had that attitude.

An injured lion wants to know if he can still roar.

He had high hopes for society, and though his hopes were too often dashed, he remained a raging optimist.

Sometimes all you have to do is ask, and it can lead to all your dreams coming true.