In no particular order..
“Winners never quit, quitters never win.” – My Pops
“Success is peace of mind, which is a direct result of self-satisfaction in knowing you made the effort to do your best to become the best that you are capable of becoming.” – John Wooden (Arguably the greatest coach ever. In any sport. Period.)
“I’ve missed more than 9000 shots in my career. I’ve lost almost 300 games. 26 times, I’ve been trusted to take the game winning shot and missed. I’ve failed over and over and over again in my life. And that is why I succeed.” – MJ (The GOAT)
“It’s not whether you get knocked down, it’s whether you get up.” – Vince Lombardi
“It ain’t over ’til it’s over.” – Yogi Berra