All of my friends who have younger siblings who are going to college or high school - my number one piece of advice is: You should learn how to program.

Give not advice without being asked, and when desired, do it briefly.

The dreams that you hold for your future are what you dream about at night. They're always at the back of your mind. They're what your heart desires. They keep you going. Accept reality and have a backup plan, but always follow your dreams no matter what.

Play the game, never let the game play you.

Why should we take advice on sex from the pope? If he knows anything about it, he shouldn't!

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.