Who fixed its measurements? Surely you know! Or who stretched a measuring line across it?
For the humbling of Job, God here shows him his ignorance even concerning the earth and the sea. Though so near, though so bulky, yet he could give no account of their origination, much less of heaven above or hell beneath, which are at such a distance, or of the several parts of matter which are so minute, and then, least of all, of the divine counsels. I.
Commenting on Job 38:4-11
Who hath laid the measures thereof, if thou knowest?.... Did God or a creature? The Lord, no doubt. He laid them out in his divine mind, and laid them forth by his divine power; who does all things by weight and measure. He fixed the dimensions of the earth, how long, how thick, and how broad it should be; he settled the borders and boundaries of it.
measures--of its proportions. Image from an architect's plans of a building. line--of measurement (Isa 28:17). The earth is formed on an all-wise plan.