Only the disciplined ones in life are free. If you are undisciplined, you are a slave to your moods and your passions.

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"I think everything is possible as long as long as you put your mind, work and time into it."

- Michael Phelps

Belief

"I’ve been to the darkest places, but I’ve also been to the brightest places."

- Michael Phelps

Hope

"I can only control my performance. If I do my best, then I can feel good at the end of the day."

- Michael Phelps

Self-awareness

"I'm doing this for me. If I don't become as successful as you all think I would be or should be and you think it tarnishes my career, then that's your own opinion. I'm doing this because I want to come back and I enjoy being in the pool and I enjoy being in the sport of swimming."

- Michael Phelps

Self-awareness

"In business, words are words, explanations are explanations, promises are promises, but only performance is reality."

- Michael Phelps

Integrity

More Self-improvement Quotes

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"True freedom is impossible without a mind made free by discipline."

- Mortimer J. Adler

Self-improvement

"You will never always be motivated. You have to learn to be disciplined."

- Anon

Self-improvement

"Do not think about other things, there is only one thing you can do. So master that one thing. Do not forget. What you must imagine is always that you, yourself, are the strongest. You do not need outside enemies. For you, the one you have to fight is none other than your own image."

- Archer

Self-improvement

"You need to accept the fact that you’re not the best and have all the will to strive to be better than anyone you face."

- Roronoa Zoro

Self-improvement

"Take a page from the dragonfly's book – be vibrant and let your true colors shine"

Self-improvement