NET
23 David did not count the males twenty years old and under, for the Lord had promised to make Israel as numerous as the stars in the sky.
Darby
23 And David took not their number from twenty years old and under; for Jehovah had said he would increase Israel as the stars of heaven.
KJV
23 But David took not the number of them from twenty years old and under: because the LORD had said he would increase Israel like to the stars of the heavens.