John 12:37-39

Young's Literal Translation

³⁷ yet he having done so many signs before them, they were not believing in him,

³⁸ that the word of Isaiah the prophet might be fulfilled, which he said, `Lord, who gave credence to our report? and the arm of the Lord -- to whom was it revealed?'

³⁹ Because of this they were not able to believe, that again Isaiah said,