Deuteronomy 1:39

39 `And your infants, of whom ye have said, For a prey they are, and your sons who have not known to-day good and evil, they go in thither, and to them I give it, and they possess it;

Deuteronomy 1:39 Meaning and Commentary

Deuteronomy 1:39

Moreover, your little ones, which ye said should be a prey,
&c.] To the Amorites, into whose hands they expected to be delivered, ( Deuteronomy 1:27 ) see ( Numbers 14:3 )

and your children, which in that day had no knowledge between good and
evil;
not being at years of understanding, and which is a common description of children; it is particularly expressed "in that day", for now they were the very persons Moses was directing his speech unto, and relating this history, it being thirty eight years ago when this affair was, so that now they were grown up to years of discretion:

they shall go in thither, and unto them will I give it, and they shall
possess it:
the relation of which now might serve greatly to encourage their faith, as well as it would be a fulfilment of the promise of the land made unto Abraham, Isaac, and Jacob, which was not made of none effect through the unbelief of the Israelites, whose carcasses fell in the wilderness, since their posterity was to enjoy it, and did.

Deuteronomy 1:39 In-Context

37 `Also with me hath Jehovah been angry for your sake, saying, Also, thou dost not go in thither;
38 Joshua son of Nun, who is standing before thee, he goeth in thither; him strengthen thou; for he doth cause Israel to inherit.
39 `And your infants, of whom ye have said, For a prey they are, and your sons who have not known to-day good and evil, they go in thither, and to them I give it, and they possess it;
40 and ye, turn for yourselves, and journey toward the wilderness, the way of the Red Sea.
41 `And ye answer and say unto me, We have sinned against Jehovah; we -- we go up, and we have fought, according to all that which Jehovah our God hath commanded us; and ye gird on each his weapons of war, and ye are ready to go up into the hill-country;
Young's Literal Translation is in the public domain.