Tweet I have been impressed with the urgency of doing. Knowing is not enough, we must apply. Being willing is not enough, we must do. Quote by Leonardo da Vinci. You May Also Like...Today I will do what others won't, so tomorrow I can do what others can't.Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.Wisdom is the daughter of experience.Happiness is not something ready made. It comes from your own actions.Where there is shouting, there is no true knowledge.What one does is what counts. Not what one had the intention of doing.Good actions give strength to ourselves and inspire good actions in others.The noblest pleasure is the joy of understanding.Do what you can, with what you have, where you are.