This is the first and great commandment.
Matthew 22:38
King James Version (public domain)
Traditionally attributed to Matthew · 1st century AD · One of the twelve apostles of Jesus; tax collector by trade
Context
36Master, which is the great commandment in the law?
37Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.
38This is the first and great commandment.
39And the second is like unto it, Thou shalt love thy neighbour as thyself.
40On these two commandments hang all the law and the prophets.