The Greatest Commandment

12:28 And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?

12:29 And Jesus answered him, The first of all the commandments is, Hear, O Israel; The Lord our God is one Lord:

12:30 and thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind, and with all thy strength: this is the first commandment.