Urantia Book
174:4.2
links to Old Testament References (KJV):
Greatest commandment:
Js 23:11,
De 10:12,
De 11:1,
Js 22:5,
De 13:3,
De 19:9,
De 6:4,
De 30:6
Love neighbor as self:
Le 19:18
The Shema:
De 6:4