Isaiah
Isaiah 48:7ESV·traditional attribution

They are created now, not long ago; before today you have never heard of them, lest you should say, ‘Behold, I knew them.’

John Calvin Reformed @genevareformer

7. Now for the first time have they been created. The Prophet shews that he is not reasoning about things that are known, or that have been learned by actual experience; and his object is, not merely to correct that haughtiness which is natural to all men, (for they claim for themselves what belongeth to God alone,) but likewise that no part of this event...

Matthew Henry Presbyterian @wholebiblehenry

We may observe here, I. The hypocritical profession which many of the Jews made of religion and relation to God. To those who made such a profession the prophet is here ordered to address himself, for their conviction and humiliation, that they might own God's justice in what he had brought upon them. Now observe here, 1.

Commenting on Isaiah 48:1-8

John Gill Reformed Baptist @doctorgill

They are created now, and not from the beginning,.... Not that they were now done or brought into being, for as yet Cyrus was not born; though the raising of him up, and holding his right hand, and his executing the counsel of God, are spoken of as if they were already done, because of the certainty of them, Isa 45:1.