Parashat Chayei Sarah features the journey of Avraham’s servant back to Avraham’s home town to seek a bride for Yitzhak. Eliezer asks for a sign—Let it be that the maiden who says, ‘drink, and I’ll water your camels too!’ be the one chosen for Yitzhak. The Talmud records an opinion that Eliezer’s prayer to God to be given a sign was an “inappropriate” prayer. But can any sincere prayer ever be inappropriate?