The LORD your God has multiplied you, and behold, you are today as numerous as the stars of heaven.
Moses here reminds them of the happy constitution of their government, which was such as might make them all safe and easy if it was not their own fault. When good laws were given them good men were entrusted with the execution of them, which, as it was an instance of God's goodness to them, so it was of the care of Moses concerning them...
Commenting on Deuteronomy 1:9-18
The Lord your God hath multiplied you,.... Which was the reason why he could not bear them, or the government of them was too heavy for him, because they were so numerous, and the cases brought before him to decide were so many: and, behold, you are this day as the stars of heaven for multitude; whereby it appeared that the promise to Abraham was...
ye are this day as the stars of heaven for multitude--This was neither an Oriental hyperbole nor a mere empty boast. Abraham was told (Gen 15:5-6) to look to the stars, and though they "appear" innumerable, yet those seen by the naked eye amount, in reality, to no more than three thousand ten in both hemispheres.