Forcing yourself to use restricted means is the sort of restraint that liberates invention. It obliges you to make a kind of progress that you can't even imagine in advance.
Pablo PicassoThere are painters who transform the sun to a yellow spot, but there are others who with the help of their art and their intelligence, transform a yellow spot into sun
Pablo PicassoI don't own any of my own paintings because a Picasso original costs several thousand dollars and that's a luxury I cannot afford.
Pablo Picasso