Change hurts. It makes people insecure, confused, and angry. People want things to be the same as they've always been, because that makes life easier. But, if you're a leader, you can't let your people hang on to the past.

The more thou sweateth in training, the less thou bleedeth in combat.

For the past weeks I'd been reacting. That was no way to win. To win, you take the initiative. You instigate the action. You make the opponent react to you.

There is only one kind of failure I cannot tolerate: the failure to risk failure.

Knives are like credit cards; don't leave home without 'em and always carry several

What drives me? In every mission I'm on, the thing that drives me most is the desire to find my limits-and extend them.

Shoot first and ask questions not at all