Some Sadducees, who deny that there's a resurrection, came to Jesus and asked,
References for Luke 20:27
"Teacher, Moses wrote for us that if a man's brother dies leaving a widow but no children, the brother must marry the widow and raise up children for his brother.
References for Luke 20:28
Now there were seven brothers. The first man married a woman and then died childless.
and then the third brother married her. Eventually all seven married her, and they all died without leaving any children.
Finally, the woman died too.
In the resurrection, whose wife will she be? All seven were married to her."
Jesus said to them, "People who belong to this age marry and are given in marriage.
But those who are considered worthy to participate in that age, that is, in the age of the resurrection from the dead, won't marry nor will they be given in marriage.
They can no longer die, because they are like angels and are God's children since they share in the resurrection.
Even Moses demonstrated that the dead are raised—in the passage about the burning bush, when he speaks of the Lord as the God of Abraham, the God of Isaac, and the God of Jacob.
References for Luke 20:37
He isn't the God of the dead but of the living. To him they are all alive."
Some of the legal experts responded, "Teacher, you have answered well."
No one dared to ask him anything else.
Jesus said to them, "Why do they say that the Christ is David's son?
David himself says in the scroll of Psalms, The Lord said to my lord, ‘Sit at my right side
until I make your enemies a footstool for your feet.'
References for Luke 20:43
Since David calls him ‘Lord,' how can he be David's son?"