cast (one's) pearls before swine

(redirected from cast his pearls before swine)

cast (one's) pearls before swine

To present something valuable to one who does not recognize its worth. The phrase originated in the Bible. Most of the time, playing classical music for high schoolers is like casting your pearls before swine. But every so often a few kids appreciate it. I can't believe he gave his brand-new convertible to that bumpkin—talk about casting your pearls before swine.
See also: before, cast, pearl, swine