You don't get anything clean without getting something else dirty.
The reward of a thing well done is to have done it.
The undertaking of a new action brings new strength.
Where we have strong emotions, we're liable to fool ourselves.
My home is not a place, it is people.
Have no fear of perfection - you'll never reach it.
Our problems are man-made, therefore they may be solved by man. And man can be as big as he wants. No problem of human destiny is beyond human beings.