Daniel 12:3 promises eternal reward for those who lead many to righteousness, paralleling the harvest of eternal life here.

In Romans 1:13, Paul uses the same harvest metaphor for his evangelistic labor among the Gentiles, hoping for fruit.

In 1 Corinthians 3:5-9, Paul uses the same planting/watering metaphor for ministry, emphasizing unity and reward for labor.

Philippians 2:16 expresses Paul's hope that his labor in the gospel was not in vain, mirroring the joy of the reaper here.

1 Thessalonians 2:19 identifies converts as the apostle's joy and crown at Christ's coming, the very harvest and wage promised here.

1 Timothy 4:16 promises salvation to both the teacher and hearers, reflecting the dual blessing of reaping eternal life here.

2 Timothy 4:8 promises the crown of righteousness as a reward for faithful service, akin to the wage of eternal life here.

Matthew 9:37 uses the same 'harvest is plentiful' metaphor for evangelism, directly linking to the reaping work mentioned here.

1 Corinthians 3:8 directly parallels the reward for labor and unity of workers — sower and reaper share in the harvest wage.

1 John 5:11 specifies that eternal life is given by God and is in His Son—the very life the reaper gathers fruit for in John 4:36.

2 John 1:8 warns against losing the reward for labor—complementing John 4:36's promise of wages for the reaper.

Proverbs 11:30 says the fruit of the righteous is a tree of life and the wise capture souls—this matches John 4:36's gathering fruit for eternal life.

James 5:20 promises that turning a sinner from error saves from death — a similar outcome of eternal life through spiritual work.

Ecclesiastes 11:6 encourages persistent sowing — complementing the promise of reaping eternal life here.

Romans 6:22 also speaks of reaping a harvest that leads to holiness and eternal life, echoing the same reward.

Mark 4:26's parable of the growing seed shares the agricultural metaphor for the kingdom, though focusing on growth rather than harvest.