Matthew 22:36 YLT

³⁴  and the Pharisees, having heard that he did silence the Sadducees, were gathered together unto him;

³⁵  and one of them, a lawyer, did question, tempting him, and saying,

³⁶  'Teacher, which 'is' the great command in the Law?'

³⁷  And Jesus said to him, 'Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thine understanding --

³⁸  this is a first and great command;