Numbers 14:28 (BSB)

So tell them: As surely as I live, declares the LORD, I will do to you exactly as I heard you say.

From Numbers 14. Also in the ESV.

Commentary on Numbers 14:28

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 14:20-35: We have here God's answer to the prayer of Moses, which sings both of mercy and judgment. It is given privately to Moses (Num 14:20-25), and then directed to be made public to the people, Num 14:26-35. The frequent repetitions of the same things in it speak these resolves to be unalterable. Let us see the particulars. I.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 14:28: Your carcasses shall fall in this wilderness,.... They had wished they had died in it, Num 14:2, and the Lord here declares they should, which is signified by the falling of their carcasses in it, or their bodies, which when dead fall to the ground, having no strength to support themselves: and all that were numbered of you: but a few months before this time...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Numbers 14:28-31: Num 14:28-31 Jehovah swore that it should happen to the murmurers as they had spoken. Their corpses should fall in the desert, even all who had been numbered, from twenty years old and upwards: they should not see the land into which Jehovah had lifted up His hand (see at Exo 6:8) to lead them, with the sole exception of Caleb and Joshua.