Rejoice, &c.. positive command, not irony; qualified by the solemn fact: "but know thou", &c.
young man. a chosen youth, implying beauty and strength.
youth. childhood.
thy youth. Same word as "young man".
judgment. the judgment.
Related Commentaries of Ecclesiastes 11:9
Ecclesiastes 11:9
9 Rejoice, O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thine heart, and in the sight of thine eyes: but know thou, that for all these things God will bring thee into judgment.