“I had almost passed them when I found the one whom my soul loves; I held him and would not release him until I brought him to my mother's house, and to the chamber of the one who conceived me” (Song of Songs 3:4). “I had almost passed them when I found the one whom my soul loves,” this is Moses. “I held him and would not release him until I brought him to my mother's house,” this is Sinai. “And to the chamber of the one who conceived me,” this is the Tent of Meeting, as it is from there that Israel became liable for teachings.4Although they received the mitzvot at Sinai, liability for transgression began with the construction and dedication of the Tent of Meeting.
Moses and Solomon of Shir
Shir HaShirim Rabbah 4:1