There was once a king who had an only daughter, and one of the kings came and married her. When her husband wished to return to his country, her father said to him: "My daughter, whose hand I have given you, is my only child; I cannot part with her. Neither can I say to you, 'Do not take her,' for she is your wife. This one favor, however, I ask of you: wherever you go to live, prepare a chamber for me that I may dwell with you, for I cannot leave my daughter" ... In the same way, G-d said to Israel: "I have given you the Torah. I cannot part with her, and I also cannot tell you not to take her. But...
Midrash Rabbah