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For me, there is a lot of room for improvement and there are a lot of things I would like to be better at.

To improve is to change; to be perfect is to change often.

There is always space for improvement, no matter how long you've been in the business.

Every individual can improve from day to day, from year to year, and have greater capacity to do things as the years come and the years go.

I cannot say whether things will get better if we change; what I can say is they must change if they are to get better.

Human improvement is from within outward.

The pursuit of perfection often impedes improvement.

Everything is perfect and there is always room for improvement.

I think each one of us has committed to improving.

The problem with self-improvement is knowing when to quit.