Anyone who lives within his means suffers from a lack of imagination.
Television contracts the imagination and radio expands it.
Imagination is not something apart and hermetic not a way of leaving reality...
With the brush we merely tint while the imagination alone produces colour.
A financier is a pawnbroker with imagination.
There's obviously nothing wrong with selling your art - only an idiot with a trust fund would tell you otherwise. But it's confusing to know how far you should take it.