Bede

Behold, I have given a thousand pieces of silver to your brother; this will be a veil of the eyes to all who are with you, wherever you shall go; and remember that you have been discovered. While speaking playfully, because she herself had said that he was her brother, and he says that she was discovered when by pretending she covered the truth, saying that he who was her husband was her brother, and he encourages her to remember this in the future, lest she should incur the same disgrace by similar pretense henceforth. …

Commentary on Genesis (Hexaemeron) ↗