I've always admired people who are over-prepared.
When there’s an elephant in the room introduce him.
Sometimes you can't pay it back, so you just have to pay it forward.
People lie for lots of reasons, often because it seems like a way to get what they want with less effort.
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.
The key question to keep asking is, Are you spending your time on the right things? Because time is all you have.