You can't have a better tomorrow if you are thinking about yesterday all the time.
“I paint German artists whom I admire. I paint their pictures, their work as painters, and their portraits too. But oddly enough, each of these portraits ends up as a picture of a woman with blonde hair. I myself have never been able to work out why this happens.”
“Engineers like to solve problems. If there are no problems handily available, they will create their own problems.”