King James Version (KJV)
Therefore remove sorrow from thy heart, and put away evil from thy flesh: for childhood and youth are vanity.
Modern English
Remove vexation from your heart, and put away pain from your body, for youth and the dawn of life are vanity.
Hebrew
וְהָסֵ֤ר כַּעַס֙ מִלִּבֶּ֔ךָ וְהַעֲבֵ֥ר רָעָ֖ה מִבְּשָׂרֶ֑ךָ כִּ֤י הַיַּלְד֙וּת֙ וְהַשַּׁחֲר֔וּת הָֽבֶל׃
vhaser kaʿas milibeka vhaʿaber raʿah mibshareka kiy hayaldvt vhashaḥarvt habel