If you want to hit a bird on the wing you must have all your will in focus, you must not be thinking about yourself and, equally, you must not be thinking about your neighbor: you must be living in your eye on that bird. Every achievement is a bird on the wing.
The difference in men does not lie in the size of their hands, nor in the perfection of their bodies, but in this one sublime ability of concentration: to throw the weight with the blow, to live an eternity in an hour.
I go at what I am about as if there was nothing else in the world for the time being.
Choice of attention, to pay attention to this and ignore that, is to the inner life what choice of action is to the outer.
Concentration is everything. On the day I'm performing, I don't hear anything anyone says to me.
The real essence of work is concentrated energy.
You can't ring the bells and, at the same time, walk in the procession.
I've learned ruthless concentration. I can write under any circumstances ... street noises, loud talk, music, you name it.
Do whatever you do intensely.
The effectiveness of work increases according to geometrical progression if there are no interruptions.
Other people's interruptions of your work are relatively insignificant compared with the countless times you interrupt yourself.
If you direct your whole thought to work itself, none of the things which invade eyes or ears will reach the mind.
A full mind is an empty baseball bat.
There is time enough for everything in the course of the day if you do but one thing at once; but there is not time enough in the year if you will do two things at a time.
Become so wrapped up in something that you forget to be afraid.
Attention to a subject depends upon our interest in it.
I can't concentrate on golf or bowling. Those bowling pins aren't going to hurt me. I can concentrate in the ring because someone is trying to kill me.
When I come into a game in the bottom of the ninth, bases loaded, no one out and a one-run lead ... it takes people off my mind.
Concentrate on finding your goal, then concentrate on reaching it.
Those who set out to serve both God and Mammon soon discover that there is no God.