He raises up the poor out of the dust, and lifts up the beggar from the rubbish, to set them among princes, and to make them inherit the throne of glory: for the pillars of the earth are the LORD'S, and he has set the world upon them.
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George Leo Haydock
World. The Hebrews represented the earth as resting on a firm basis, or on pillars, or turning on poles, Psalm ciii. 5., and Proverbs viii. 25. The magistrates of the earth may be also thus designated, as the world is entrusted to their care. God compares Jeremias to an iron pillar, Jeremias i. 18., and Apocalypse iii. 12. (Calmet)
The last sentence is omitted in the Septuagint.