Mark 12:27

24 And Jesus answering said to them, `Do ye not because of this go astray, not knowing the Writings, nor the power of God?

25 for when they may rise out of the dead, they neither marry nor are they given in marriage, but are as messengers who are in the heavens.

26 `And concerning the dead, that they rise: have ye not read in the Book of Moses (at The Bush), how God spake to him, saying, I [am] the God of Abraham, and the God of Isaac, and the God of Jacob;

27 he is not the God of dead men, but a God of living men; ye then go greatly astray.`

28 And one of the scribes having come near, having heard them disputing, knowing that he answered them well, questioned him, `Which is the first command of all?`

29 and Jesus answered him -- `The first of all the commands [is], Hear, O Israel, the Lord is our God, the Lord is one;

30 and thou shalt love the Lord thy God out of all thy heart, and out of thy soul, and out of all thine understanding, and out of all thy strength -- this [is] the first command;