John Gills Exposition of the Bible Commentary - Psalms 90:2
Before the mountains were brought forth ,.... Or "were born" F2 ילדו "nascerentur", Pagninus, Montanus, Tigurine version, Michaelis; so Ainsworth; "geniti essent", Piscator, Gejerus. , and came forth out of the womb and bowels of the earth, and were made to rise and stand up at the command of God, as they did when he first created the earth; and are mentioned not only because of their firmness and stability, but their antiquity: hence we read of the ancient mountains and everlasting... read more
Matthew Henry's Complete Commentary - Psalms 90:1-6
This psalm is entitled a prayer of Moses. Where, and in what volume, it was preserved from Moses's time till the collection of psalms was begun to be made, is uncertain; but, being divinely inspired, it was under a special protection: perhaps it was written in the book of Jasher, or the book of the wars of the Lord. Moses taught the people of Israel to pray, and put words into their mouths which they might make use of in turning to the Lord. Moses is here called the man of God, because he was... read more