Shared ground
Exodus 13:14–16 presents a scripted family explanation for Israel’s firstborn practices. When a child asks what the actions mean, the answer is a short retelling of the exodus: Yahweh brought “us” out of Egypt “by strength of hand,” out of slavery. Pharaoh’s resistance and the death of Egypt’s firstborn (people and animals) are named as the turning point behind the firstborn focus.
The passage links story to practice: because of what happened, first male animals that “open the womb” are given to Yahweh, while firstborn sons are not given up but “redeemed” (bought back). The practices are also described as a visible reminder—“a sign on your hand” and “symbols between your eyes”—meant to keep the exodus explanation close at hand in ordinary life.
Where interpretation differs (only where needed)
The main live question is what v. 16 means by “a sign on your hand” and “symbols between your eyes.” Some readers understand this as figurative language for keeping the exodus message constantly in mind and letting it shape action (“hand”) and thought (“between the eyes”). Others understand it as pointing toward a concrete, wearable reminder tied to the teaching (a physical marker or object), especially since the language resembles other passages about visible signs (compare Exodus 13:9).
A smaller question concerns how to picture “redeem” in v. 15: the text clearly contrasts sons with sacrificed animals, but it does not repeat the specific method or price here, so readers sometimes look to the surrounding instructions (13:1–13) or later laws to fill in the details.
Why the disagreement exists
The words “sign” and “between the eyes” can naturally work as either metaphor or literal description. The passage itself emphasizes meaning and memory more than mechanics, so it does not settle the question by giving concrete directions in these verses.
What this passage clearly contributes
Explicitly, it ties firstborn sacrifice/redemption to a specific historical claim: Yahweh’s strong deliverance from slavery, climaxing in the death of Egypt’s firstborn. It also shows how Israel is meant to transmit that meaning: a simple, repeatable household explanation attached to recurring practices. The theological inference many readers draw (beyond the explicit claims) is that worship and community identity are meant to be shaped by remembered deliverance, not by abstract ideas alone.