'First Commandment' in the Bible

This is the great and first commandment.

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?

And Jesus answered him, The first commandment of all is, Hear, Israel: the Lord our God is one Lord;

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.

This is the first commandment. And the second is like unto it, Thou shalt love thy neighbour as thyself. There is no other commandment greater than these.

Honour thy father and mother; (which is the first commandment with promise;)