| Clarke's Commentary on the Bible The children of this world - Men and women in their present state of mortality and probation; procreation being necessary to restore the waste made by death, and to keep up the population of the earth.
Gill's Exposition of the Entire BibleAnd Jesus answering, said unto them,.... After he had observed that their error arose from ignorance of the Scriptures, and the power of God: the children of this world marry, and are given in marriage that is, such who live in this world, in the present mortal and imperfect state, being mortal men, and die, and leave their estates and possessions: these marry, and have wives given them in marriage; and it is very right, and fit, that so it should be, in order to keep up a succession of men, and that they may have heirs to enjoy their substance when they are gone.
Geneva Study BibleAnd Jesus answering said unto them, The {g} children of this world marry, and are given in marriage: (g) The children of this world refers here to those who live in this world, and not those that are wholly given to the world (and therefore contrary to the children of light), as above in Lu 16:8.
People's New Testament 20:27-40 Then came to him certain of the Sadducees. For notes on the Sadducees silenced, see Mt 22:23-33. Compare Mr 12:18-27.
Wesley's Notes 20:34 The children of this world - The inhabitants of earth, marry and are given in marriage - As being all subject to the law of mortality; so that the species is in need of being continually repaired.
Jamieson-Fausset-Brown Bible Commentary34. said unto them-In Mt 22:29, the reply begins with this important statement:-"Ye do err, not knowing the Scriptures," regarding the future state, "nor the power of God," before which a thousand such difficulties vanish (also Mr 12:24).
Matthew Henry's Concise Commentary20:27-38 It is common for those who design to undermine any truth of God, to load it with difficulties. But we wrong ourselves, and wrong the truth of Christ, when we form our notions of the world of spirits by this world of sense. There are more worlds than one; a present visible world, and a future unseen world; and let every one compare this world and that world, and give the preference in his thoughts and cares to that which deserves them. Believers shall obtain the resurrection from the dead, that is the blessed resurrection. What shall be the happy state of the inhabitants of that world, we cannot express or conceive, | 
