Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.
The world is moved not only by the mighty shoves of the heroes, but also by the aggregate of the tiny pushes of each honest worker.
Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.
Joy is the holy fire that keeps our purpose warm and our intelligence aglow.
I do not want the peace which passeth understanding, I want the understanding which bringeth peace.
The most pathetic person in the world is someone who has sight, but has no vision.