1.

“Push yourself harder than you believe you’re capable of.”
General Stan McChrystal, Pushing Your Limits

2.

“We don’t rise to the level of our expectations, we fall to the level of our training.”
Archilochus, How To Develop Mental Toughness

3.

“If you want to be tougher mentally, it is simple: be tougher. Don’t meditate on it.”
Jocko Willink, via Twitter

4.

“I’m not the strongest. I’m not the fastest. But I’m really good at suffering.”
Amelia Boone, On Beating 99% of Men and Suffering for High Performance

5.

“I felt that I could win it, and that was what I was there for. I wasn’t there to compete. I was there to win.”
Arnold Schwarzenegger

6.

“Dealing with the temporary frustration of not making progress is an integral part of the path towards excellence. In fact, it is essential and something that every single elite athlete has had to learn to deal with. If the pursuit of excellence was easy, everyone would do it… Achieving the extraordinary is not a linear process. The secret is to show up, do the work, and go home.”
Christopher Sommer, The Secrets of Gymnastic Strength Training

7.

“You have power over your mind, not outside events. Realize this, and you will find strength.”
Marcus Aurelius, ThoughtJoy

8.

“My dark days made me strong. Or maybe I was already strong, and they made me prove it.”
Emery Lord, HealthyPlace

9.

“When someone tells me ‘no,’ it doesn’t mean I can’t do it, it simply means I can’t do it with them.”
Karen E. Quinones Miller, Satin Doll

10.

“Just pick a goal, a goal you truly want to achieve, and take a clear-eyed look at your weaknesses — not so you’ll feel less confident, but so you can determine exactly what you need to work on. Then get to work. Celebrate small successes. Analyze your weaknesses. Keep going. As you gain skill, you’ll also gain a feeling of genuine confidence, one that can never be taken away–because you’ve earned it.”
Jeff Haden, 50 Inspiring Motivational Quotes About Mental Toughness and Willpower

11.

“If you hear a voice within you say ‘you cannot paint,’ then by all means paint, and that voice will be silenced.”Vincent van Gogh, Inc.com

12.

“Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. It is our light, not our darkness, that most frightens us. We ask ourselves, ‘Who am I to be brilliant, gorgeous, talented, fabulous?’ Actually, who are you not to be?”
Marianne Williamson, via Vimeo

13.

“The courage to be is the courage to accept oneself, in spite of being unacceptable.”
Paul Tillich, Inc.com

14.

“You can have anything you want if you are willing to give up the belief that you can’t have it.”
Robert Anthony, Positively Positive

15.

“It is not the mountain we conquer, but ourselves.”
Edmund Hillary, Inc.com