King James Version (KJV)
Keep thy heart with all diligence; for out of it are the issues of life.
Modern English
Keep your heart with all vigilance, for from it flow the springs of life.
Hebrew
מִכָּל מִשְׁמָ֥ר נְצֹ֥ר לִבֶּ֑ךָ כִּי מִמֶּ֥נּוּ תּוֹצְא֗וֹת חַיִּֽים׃
mikal mishmar nṣor libeka kiy mimenv tvoṣʾvot ḥayiym