A common misinterpretation is to view this verse as establishing a universal 'age of accountability' exempting all children from any responsibility for sin or judgment until a certain age, ignoring the specific historical context of Israel's wilderness rebellion where these children were spared solely due to their innocence in that particular act of unbelief; others wrongly apply it to justify parental neglect in moral training or to argue infants enter heaven automatically without faith, detached from the covenantal promises tied to obedience.
Deuteronomy 1:39
King James Version (1769)
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.
This passage reveals God's merciful justice toward the younger generation of Israelites who, unlike their rebellious parents, lacked the maturity to discern good from evil and thus bore no guilt in the spy incident; as a result, they are promised entry and possession of the Promised Land, underscoring divine fairness in accountability based on understanding and intent rather than blanket punishment.