Dale Carnegie
Inaction breeds doubt and fear. Action breeds confidence and courage. If you want to conquer fear, do not sit home and think about it. Go out and get busy.
More quotes and aphorisms
And it is still true, no matter how old you are...If you know the enemy and know yourself...Acting is the most brotherly and sisterly...Patriotism is not an abstract concept...If people concentrated on the really important things...If you steal from one author it's plagiarism...