Deuteronomy 1:39
Moreover your little ones, which ye said should be a prey, and your children, which in that day had no knowledge between good and evil, they shall go in thither, and unto them will I give it, and they shall possess it.
Cross-reference
Numbers 14:3 records the exact complaint about children becoming plunder that Moses quotes here.
Numbers 14:31 promises the little ones will enter the land—the same promise given here for the children.
Joshua 5:7 shows the circumcision of the children who entered Canaan, fulfilling God's promise here that the little ones would possess the land.
Isaiah 7:15 uses the same 'know to refuse evil and choose good'—the moral discernment age referenced for these children.
Isaiah 7:16 continues with the same phrase, linking moral knowledge to a timeline—parallel concept of childhood ignorance.
Jonah 4:11 describes 120,000 who 'do not know their right hand from left'—similar to children lacking knowledge of good/evil.
Romans 9:11 speaks of unborn children having done 'nothing good or bad'—parallel to not knowing good/evil here.