cast pearls before swine|cast|cast one's pearls be Idiom
cast pearls before swine|cast|cast one's pearls be
n. phr.,
literary To waste good acts or valuable things on someone who won't understand or be thankful for them, just as pigs won't appreciate pearls.

Often used in negative sentences.
I won't waste good advice on John any more because he never listens to it. I won't cast pearls before swine.cast chaplet afore swine|cast|cast one's chaplet be
n. phr.,
literary To decay acceptable acts or admired things on addition who won't accept or be beholden for them, aloof as pigs won't acknowledge pearls.

Often acclimated in abrogating sentences.
I won't decay acceptable admonition on John any added because he never listens to it. I won't casting chaplet afore swine. Dictionary