If there were no false miracles, there would be certainty. If there were no rule to judge of them, miracles would be useless, and there would be no reason for believing.
Now there is, humanly speaking, no human certainty, but we have reason.
823
Either God has confounded the false miracles, or He has foretold them; and in both ways He has raised Himself above what is supernatural with respect to us, and has raised us to it.
824
Miracles serve not to convert, but to condemn. (Q. 113, A. 10, Ad. 2.)[327]
825
Reasons why we do not believe.
John xii, 37. Cum autem tanta signa fecisset, non credebant in eum, ut sermo Isayæ impleretur. Excæcavit, etc.
Hæc dixit Isaias, quando vidit gloriam ejus et locutus est de eo.