Everyone has to contribute to the common good. To not do so can be described in one word: selfish.

A coach yells at the kid he thinks can improve but the coach will not yell at the kid who he/she knows won't.

Want to have a short phone call with someone? Call them at 11:55 a.m., right before lunch. They'll talk fast. You may think you are interesting, but you are not more interesting than lunch.

Be willing to apologize. Proper apologies have three parts: 1) What I did was wrong. 2) I'm sorry that I hurt you. 3) How do I make it better? It's the third part that people tend to forget. Apologize when you screw up and focus on other people, not on yourself.

Be good at something. It makes you valuable.

Develop a good filing system.

Remember how quickly our field [computer science] changes. That's why you want to focus on learning things that don't change: how to work well with other people, how to carefully assess a client's real - as opposed to perceived - needs, and things like that.