Strength is what we can gain from the madness we survive.” 

Even if you get the opportunity to treat them the way they treated you, no matter how difficult it was, no matter how angry you feel, no matter how hard it is to do... I hope you find the strength to choose to do better and let the universe take care of the situation.” — Tanya Masse

Increasing the state of our minds is the only way to reduce the difficulty of life.” — Mokokoma Mokhonoana 

Forgiveness takes intelligence, discipline, imagination, and persistence, as well as special psychological strength, something athletes call mental toughness and warriors call courage.” — Edward M. Hallowell

If you can’t fly then run, if you can’t run then walk, if you can’t walk then crawl but whatever you do you have to keep moving forward.” — Martin Luther King, Jr. 

Accept yourself, love yourself, and keep moving forward. If you want to fly, you have to give up what weighs you down.” — Roy T. Bennett

Daring ideas are like chessmen moved forward. They may be beaten, but they may start a winning game.” — Johann Wolfgang von Goethe

Part of being an optimist is keeping one’s head pointed toward the sun, one’s feet moving forward. There were many dark moments when my faith in humanity was sorely tested, but I would not and could not give myself up to despair.” — Nelson Mandela 

Around here, however, we don’t look backwards for very long. We keep moving forward, opening up new doors and doing new things, because we’re curious... and curiosity keeps leading us down new paths.” — Walt Disney 

Talk to yourself like you would to someone you love." — Brené Brown

People are like stained-glass windows. They sparkle and shine when the sun is out, but when the darkness sets in their true beauty is revealed only if there is light from within." — Elisabeth Kübler-Ross

Shyness has a strange element of narcissism, a belief that how we look, how we perform, is truly important to other people." — Andre Dubus

If we all did the things we are capable of doing, we would literally astound ourselves." — Thomas Alva Edison

Argue for your limitations and, sure enough, they're yours." — Richard Bach

16. "The courage to be is the courage to accept oneself, in spite of being unacceptable." — Paul Tillich

17. "Once we believe in ourselves, we can risk curiosity, wonder, spontaneous delight, or any experience that reveals the human spirit." — E.E. Cummings

18. "It is confidence in our bodies, minds, and spirits that allows us to keep looking for new adventures." — Oprah Winfrey

19. "But failure has to be an option in art and in exploration — because it's a leap of faith. And no important endeavor that required innovation was done without risk. You have to be willing to take those risks." — James Cameron

20. "The way to develop self-confidence is to do the thing you fear and get a record of successful experiences behind you." — William Jennings Bryan

21. "To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment." — Ralph Waldo Emerson

22. "Low self-confidence isn't a life sentence. Self-confidence can be learned, practiced, and mastered — just like any other skill. Once you master it, everything in your life will change for the better." — Barrie Davenport

23. "One important key to success is self-confidence. An important key to self-confidence is preparation." — Arthur Ashe

24. "Trust yourself. Create the kind of self that you will be happy to live with all your life. Make the most of yourself by fanning the tiny, inner sparks of possibility into flames of achievement." — Golda Meir

25. "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

When you're different, sometimes you don't see the millions of people who accept you for what you are. All you notice is the person who doesn't." — Jodi Picoult

27. "Don't waste your energy trying to change opinions ... do your thing, and don't care if they like it." — Tina Fey

28. "Always be yourself and have faith in yourself. Do not go out and look for a successful personality and try to duplicate it." — Bruce Lee

29. "You cannot be lonely if you like the person you're alone with." — Wayne Dyer

30. "As soon as you trust yourself, you will know how to live." — Johann Wolfgang von Goethe

31. "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

32. "Pride is holding your head up when everyone around you has theirs bowed. Courage is what makes you do it." — Bryce Courtenay

33. "Perfection is not attainable, but if we chase perfection we can catch excellence." — Vince Lombardi

34. “You’ve got to develop mental strength. And you develop mental strength with the will. The will is the mental faculty that gives you the ability to hold one idea under the screen of your mind to the exclusion of all outside distractions.” — Bob Proctor

35. “Float like a butterfly, sting like a bee, your hands can’t hit, what your eyes can’t see.” — Muhammad Ali

36. “The ability to continue moving when you are feeling scared, fearful or lazy is the sign of true mental strength.” — Matthew Donnelly