I am not as good as I ought to be. I am not as good as I want to be. I am not as good as I'm going to be. But I am thankful that I am better than I used to be.
— John Wooden
To improve is to change; to be perfect is to change often.
— Winston Churchill
Change, by its very nature, is threatening but it is also often productive.
— Betty Ford
I can't understand why people are frightened of new ideas. I'm frightened of the old ones.
— John Cage
Change is never painful. Only resistance to change is painful.
— Buddha
The pursuit of perfection often impedes improvement.
— George Will
Don't settle for mediocrity; never let good enough be good enough.
— Joel Osteen
Small daily improvements over time lead to stunning results.