This bit from Bob Sutton opened my eyes this morning:

“Fight as if you are right; listen as if you are wrong.”

Wow. And if that isn’t good enough to wake you up this morning, try:

“Find people who disagree with you. If you get mad at them, it’s good sign you need to think.”

I think I’ve found me a new guru. (Quotes from Guy Kawasaki’s “Signal Without Noise” blog.