Isaiah 40:22,23

The majesty of the God who reveals Himself in Creation and Providence is described in interjectional participial clauses, the force of which should not be blunted by the superfluous "It is" of E.V.

upon(rather: above, R.V. marg.) the circle of the earth i. e. the horizon, where earth and heaven meet (see Proverbs 8:27), "at the confines of light and darkness" (Job 26:10). The earth with its surrounding ocean is conceived as a flat disc, on which the arch of heaven comes down. The rendering "on the vault of the earth" (see Job 22:14, "vault of heaven," the same word) is possible, though not so good.

and( so that) the inhabitants thereofare as grasshoppers Comp. for the expression Numbers 13:33, and for the thought Psalms 113:5 f.

as a curtain like gauze (lit. fine cloth).

a tent to dwell in i.e. simply "a habitable tent."