That frustrateth the tokens of the liars, and maketh diviners mad; that turneth wise men backward, and maketh their knowledge foolish; That frustrateth the tokens - prognostics; the pretended miracles which they gave as proofs of their supernatural powers.
Of the liars (Jeremiah 50:36) - conjurers; or, astrologers-men leading a retired contemplative life, in order to study divination by the signs of the stars (Vitringa).
That turneth wise (men) backward - with shame at their predictions not being verified. 'To turn away the face' is to frustrate or defeat (Isaiah 36:9; 1 Kings 2:15). The "wise men" are the diviners who, when Babylon was attacked by Cyrus, predicted his overthrow.