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 have lived through this horror. I can take the next thing that comes along.’ You must do the thing you think you cannot do.
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 have lived through this horror. I can take the next thing that comes along.’ You must do the thing you think you cannot do.

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.