You gain strength, courage, ...

You gain strength, courage, and confidence by every experience in which you really stop to look fear in the face. You are able to say to yourself, ‘I lived through this horror. I can take the next thing that comes along.’
You gain strength, courage, and confidence by every experience in which you really stop to look fear in the face. You are able to say to yourself, ‘I lived through this horror. I can take the next thing that comes along.’

More phrases

It really is all about believing in yourself: 80 per cent mental, 20 per cent physical.
 Victoria Pendleton
Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
Regardless of how you feel inside, always try to look like a winner. Even if you are behind, a sustained look of control and confidence can give you a mental edge that results in victory.
 Diane Arbus
Courage is rightly esteemed the first of human qualities... because it is the quality which guarantees all others.
Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Quotes from the same author

One's philosophy is not best expressed in words; it is expressed in the choices one makes... and the choices we make are ultimately our responsibility.
Remember always that you not only have the right to be an individual, you have an obligation to be one.
Friendship with oneself is all important because without it one cannot be friends with anybody else in the world.
With the new day comes new strength and new thoughts.
No one can make you feel inferior without your consent.