I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
Leonardo da VinciThere are three classes of people: those who see, those who see when they are shown, those who do not see.
Leonardo da VinciIt had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.
Leonardo da VinciIf you throw a stone in a pond... the waves which strike against the shores are thrown back towards the spot where the stone struck; and on meeting other waves they never intercept each other's course... In a small pond one and the same stroke gives birth to many motions of advance and recoil.
Leonardo da Vinci