Ninety percent of my game is mental. It’s my concentration that has gotten me this far.

Most people have no idea of the giant capacity we can immediately command when we focus all of our resources on mastering a single area of our lives.

Mental attitude and concentration are the keys to pitching.

The ability to concentrate and to use time well is everything.

The secret to success in any human endeavor is total concentration.

In football, I need full concentration even though I really enjoy it.

Concentrate, play your game, and don’t be afraid to win.

If you are humble, your concentration will be very high. That’s the way to go in sports.

If our thoughts and hopes are elsewhere, it is impossible to set our faces steadily toward the work required of us.

The jack-of-all-trades seldom is good at any. Concentrate all of your efforts on one definite chief aim.

Ninety per cent of my game is mental. It’s my concentration that has gotten me this far.

Concentration is the secret of strength.

Out of silence is born concentration, and from that comes learning.

Focus more on your desire than on your doubt, and the dream will take care of itself.

If you have to compromise your ethics to get it, then it is not worth having.

The devil is compromise.

The body can endure compromise and the mind can be seduced by it. Only the heart protests.

Compromise in colors is grey.

The main aim is to up my game at every possible turn without compromise.