If the work is pure then you have to think it could be understood. If it is not understood it doesn't mean that your work is not accessible. It doesn't worry me, but, of course, I would be pleased if people liked my work.
“Most people associate reading with laying on the beach. They don't see that it's crucial for a democracy!”
“For, he that expects nothing shall not be disappointed, but he that expects much - if he lives and uses that in hand day by day - shall be full to running over.”