I had no desire to give my daughter to this person, who has broken all rules of civility. Because of not observing the required rules and regulations, he is impure, but I was obliged to hand over my daughter to him just as one teaches the messages of the Vedas to a śūdra.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
लुप्तक्रियायाशुचये मानिने भिन्नसेतवे । अनिच्छन्नप्यदां बालां शूद्रायेवोशतीं गिरम्
luptakriyāyāśucaye mānine bhinnasetave | anicchannapyadāṃ bālāṃ śūdrāyevośatīṃ giram
SB 4.2.13