"The most common coaching mistake is to think you can out-manuever an opponent rather than out-fundamental him."

-Bud Wilkinson

"Confidence is only born out of one thing ­ demonstrated ability. It is not born of anything else. You cannot dream up confidence. You cannot fabricate it. You cannot wish it. You have to accomplish it."

-Bill Parcels

"The first time you quit, it's hard. The second time, it gets easier. The third time, you don't even have to think about it."

-Bear Bryant

"To be an overachiever you have to be an over believer."

-Dabo Swinney

Everyone has a plan until they get punched in the face.  - Mike Tyson

Practice makes permanent. Perfect practice makes perfect.

-A lot of people and I'm not sure who said it first but its something my grandfather said constantly. 

Fight 'em until Hell freezes over. Then, fight 'em on the ice.

Dutch Meyer

 "We knew he kicked the ball low, so we put the tallest guy we had in there on defense and told him just to get to the line of scrimmage and hold up his arms. I call that brilliant coaching."

- John McKay.

"I could shoot that down with my M16"

Coach Rollins, my high school.

We lived under an Air Base flight path, and he was a Vietnam Vet.  He also probably touched more lives than any other coach in the area.  

@mahonz I'm sure you recall this gem.

Reporter: "Coach McKay, care to comment on your team's execution?"

McKay: "I'm all for it."

"Wanna know what kind of coach you are?  Ask your worst player."

Jim Harbaugh

Here are three from Bum Phillips:

"Coaching is not how much you know. It's how much you can get the players to do"

"How do you win? By getting average players to play good and good players to play great. That's how you win"

"Respect all. Fear none"

And a funny one...

"Because I couldn't go for three" -- Woody Hayes when asked why he went for two against Michigan when he was up 50-14.

“Seth you just threw a lookout block. Do you know what that is? That’s when you don’t block anyone, you just yell to your running back, LOOKOUT!!!”

-My 9yo coach, who was probably the best coach I had in any sport

“Don’t tell me about the labor, just show me the baby.”

pretty sure that’s Bill Parcels