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.
It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
We have a given problem to solve. If we undertake the solution, there is, of course, always danger that we may not solve it aright; but to refuse to undertake the solution simply renders it certain that we cannot possibly solve it aright.