I align myself with almost all researchers in assuming that anything we do is a composite of whatever genetic limitations were given to us by our parents and whatever kinds of environmental opportunities are available.

The enemy of art is the absence of limitations.

Logic: The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding.

Art consists of limitation. The most beautiful part of every picture is the frame.

Age is no barrier. It's a limitation you put on your mind.

Age is the first limitation on roles that I've ever had to encounter and I hit that awhile ago.