Genesis 28:19-22
28:19 He called that place Bethel, although the former name of the town was Luz.
28:20 Then Jacob made a vow, saying, “If God is with me and protects me on this journey I am taking and gives me food to eat and clothing to wear,
28:21 and I return safely to my father’s home, then the Lord will become my God.
28:22 Then this stone that I have set up as a sacred stone will be the house of God, and I will surely give you back a tenth of everything you give me.”