It is our God, the Lord of Hosts, and the God of gods." "Woman," replied the emperor, "leave us to finish our sacrifice; afterwards we will make answer unto thee." And he commanded Catherine to be taken into the palace and strictly guarded, because he marvelled at the great wisdom and the wonderful beauty of this virgin.

He summoned fifty doctors well versed in the knowledge of the Egyptians and the liberal arts; and, when they were gathered together, he said unto them: "A maiden of subtle mind maintains that our gods are but demons.

I could have forced her to sacrifice or have made her pay the penalty of her disobedience; I judged it better that she should be confounded by the power of your reasoning.

If you triumph over her, you will return to your homes laden with honours." And the wise men made answer: "Let her be brought, that her rashness may be made manifest, that she may confess that never until now has she met men of wisdom." And when she learned that she was to dispute with wise men, Catherine feared lest she should not worthily defend the gospel of Jesus Christ.
But an angel appeared to her and said: "I am the Archangel Saint Michael, sent by God to make known unto thee that from this strife thou shalt come forth victorious and worthy of our Lord Jesus Christ, the hope and crown of those who strive for him." And the virgin disputed with the doctors.

When they maintained that it was impossible for God to become man, and be acquainted with grief, Catherine showed how the birth and passion of Jesus Christ had been announced by the Gentiles themselves, and prophesied by Plato and the Sibyl.
The doctors had nothing to oppose to arguments so convincing.
Therefore the chief among them said to the emperor: "Thou knowest that up till now no one has disputed with us without being straightway confounded.