Cyprian

He who now gives true palms to the victors was beaten in the face with hostile palms; he who clothes all others with the garment of immortality was stripped of his earthly garment.

Treatise IX. On the Advantage of Patience 7 ↗

Augustine of Hippo

But we must understand that the words of Matthew, they put on him a scarlet robe, Mark expresses by clothed him in purple; for that scarlet robe was used by them in derision for the royal purple, and there is a sort of red purple, very like scarlet. It may also be that Mark mentions some purple which the robe had about it, though it was of a scarlet colour.

Catena Aurea by Aquinas ↗

Bede

In the crown of thorns He wore is shown the taking up of our sins, for which He deigned to become mortal. As His forerunner bearing witness to Him said: Behold the Lamb of God, who takes away the sins of the world (John I). For the Lord Himself bears witness that thorns are customarily placed as a sign of sins, who said to the first man fallen into sin: Your land will bring forth thorns and thistles for you (Genesis III). Which is to say openly: Your conscience will constantly generate for you the stings and thorns of vices. …

On the Gospel of Mark ↗