Reference for Proverbs 4:13

הַחֲזֵ֣ק בַּמּוּסָ֣ר אַל־תֶּ֑רֶף נִ֝צְּרֶ֗הָ כִּי־הִ֥יא חַיֶּֽיךָ׃

Take fast hold of instruction, let her not go; Keep her, for she is thy life.