Perfect retention. I don't think I could do that-I've never disciplined myself to do it.I suppose a lot of it is a question of discipline. Which improvisation is not.
Right discipline consists, not in external compulsion, but in the habits of mind which lead spontaneously to desirable rather than undesirable activities.
It doesn't matter what you're trying to accomplish. It's all a matter of discipline. I was determined to discover what life held for me beyond the inner-city streets.
One of the great lessons I've learned in athletics is that you've got to discipline your life. No matter how good you may be, you've got to be willing to cut out of your life those things that keep you from going to the top.
I used to be a discipline problem, which caused me embarrassment until I realized that being a discipline problem in a racist society is sometimes an honor.
During 65 years, I have walked the path of duty and discipline... And today, looking back at that long path of service, my soldier's heart stirs and murmurs from deep within: Thank you. Thank you, my homeland.