pearls before swine

Etymology
See.

Noun

 * 1)  Something of value, beauty, refinement, or wisdom left to people who will not appreciate it.
 * Your lecture deserved a much better reception than it got. Pearls before swine!

Usage notes

 * Often used by itself as an interjection to assert that the subject at hand is being or will be treated this way.

Translations

 * Finnish: helmiä sioille
 * Hebrew:
 * Hungarian: disznók elé szórt/vetett/dobott gyöngy