Tis the motive exalts the action; 'Tis the doing, and not the deed.
No-one is ever too old to know better.
You will find scraps of paper all over the house when I am designing a new woodcut and woe betide the person who touches one of the scraps. When I have the exact design in my mind, I set the model up, pots and flowers, leaves and background, and begin work.