King James Version (KJV)
That thou mayest regard discretion, and that thy lips may keep knowledge.
Modern English
that you may keep discretion, and your lips may guard knowledge.
Hebrew
לִשְׁמֹ֥ר מְזִמּ֑וֹת וְ֝דַ֗עַת שְׂפָתֶ֥יךָ יִנְצֹֽרוּ׃
lishmor mzimvot vdaʿat shpateyka yinṣorv