One who turns away his ear from hearing the law, Even his prayer is an abomination.
Proverbs 28:9
Surrounding context
28:8 One who increases his possessions by usury and extortion Gathers it for him who will pity the poor.
28:9 One who turns away his ear from hearing the law, Even his prayer is an abomination.
28:10 Whoever causes the upright to go astray in an evil way, He himself will fall into his own pit; But the blameless will inherit good.