Abraham’s wife and Isaac’s mother. God promised Abraham and Sarah that they would have a son even though Sarah was seemingly too old to have any kids. However, after a lot of waiting, Sarah did in fact have a son. Like Abraham, Sarah was able to keep her faith in God’s promise, although Kierkegaard believes that if Abraham ever wavered in his faith, then Sarah would have lost hers, as well. When Abraham received God’s command to sacrifice Isaac, he didn’t tell Sarah about it. This seems unethical, but Kierkegaard later proves that it was for the best because Abraham wasn’t able to speak about what he was supposed to do in a way that anyone else could understand, thus highlighting the fact that sometimes faith is unintelligible.