Ecclesiastes 3:12 similarly commends joy and doing good as life's best course, directly supporting this exhortation.

Ecclesiastes 3:11 explains why man cannot see the future — God has hidden it, leading to the conclusion to enjoy work.

In Ecclesiastes 11:9, the same call to rejoice appears, but with a warning of divine judgment — expanding the exhortation to enjoy life responsibly.

Ecclesiastes 9:12 illustrates that man does not know his time, using the metaphor of fish and birds, a vivid parallel to the unknown future.

Ecclesiastes 9:7-10 urges joyful eating, drinking, and work as one's portion in life, reinforcing this advice.

Ecclesiastes 8:15 commends joy in toil as the best under the sun, echoing this verse exactly.

Ecclesiastes 8:7 also states that no one knows what is to be, echoing the same uncertainty about the future.

Ecclesiastes 6:12 repeats the same question 'who can tell what will be after him?' reinforcing the theme that the future is unknowable.

Ecclesiastes 5:18-20 expands the same theme: enjoyment in toil is God's gift, and He keeps one occupied with joy.

Ecclesiastes 2:24 makes the same point about eating, drinking, and enjoying toil as from God's hand.

Ecclesiastes 2:11 contrasts futility of toil with the acceptance of enjoyment as one's lot here.

Ecclesiastes 2:10 describes finding pleasure in toil, which is the same experience that leads to this conclusion.

Ecclesiastes 9:9 echoes the same phrase 'your lot' and urges enjoying life with your wife—both advise finding joy in one's appointed portion.

Deuteronomy 26:11 commands rejoicing in all God's good gifts — a direct parallel to the call in Ecclesiastes 3:22 to find joy in one's labor as a gift from God.

Job 14:21 describes a dead man unaware of his children's fate, expanding the theme of ignorance about what happens after death.

Deuteronomy 28:47 warns against failing to serve God with joy — the opposite spirit to the rejoicing in labor in Ecclesiastes 3:22. A contrast between required joy and its absence.

Deuteronomy 12:7 similarly commands rejoicing in what God has blessed, but within worship at the sanctuary — a parallel call to joy in God's provision.

Matthew 6:34 counsels against anxiety about tomorrow, offering a NT perspective on living in the present without knowing the future.

Deuteronomy 12:18 also urges rejoicing before God with household, reinforcing the command to find joy in God's provision — a parallel celebration.