Celsus in the next place says, with indescribable silliness: “If, after inventing defences which are absurd, and by which you were ridiculously deluded, you imagine that you really make a good defence, what prevents you from regarding those other individuals who have been condemned, and have died a miserable death, as greater and more divine messengers of heaven (than Jesus)?” Now, that manifestly and clearly there is no similarity between Jesus, who suffered what is described, and those who have died a wretched death on account of their sorcery, or whatever else be the charge against them, is patent to every one.
For no one can point to any acts of a sorcerer which turned away souls from the practice of the many sins which prevail among men, and from the flood of wickedness (in the world). But since this Jew of Celsus compares Him to robbers, and says that “any similarly shameless fellow might be able to say regarding even a robber and murderer whom punishment had overtaken, that such an one was not a robber, but a god, because he predicted to his fellow robbers that he would suffer such punishment as he actually did suffer,” it might, in the first place, be answered, that it is not because He predicted that He would suffer such things that we entertain those opinions regarding Jesus which lead us to have confidence in Him, as one who has come down to us from God.
And, in the second place, we assert that this very comparison has been somehow foretold in the Gospels; since God was numbered with the transgressors by wicked men, who desired rather a “murderer” (one who for sedition and murder had been cast into prison) to be released unto them, and Jesus to be crucified, and who crucified Him between two robbers. Jesus, indeed, is ever crucified with robbers among His genuine disciples and witnesses to the truth, and suffers the same condemnation which they do among men.
And we say, that if those persons have any resemblance to robbers, who on account of their piety towards God suffer all kinds of injury and death, that they may keep it pure and unstained, according to the teaching of Jesus, then it is clear also that Jesus, the author of such teaching, is with good reason compared by Celsus to the captain of a band of robbers. But neither was He who died for the common good of mankind, nor they who suffered because of their religion, and alone of all men were persecuted because of what appeared to them the right way of honouring God, put to death in accordance with justice, nor was Jesus persecuted without the charge of impiety being incurred by His persecutors.
Source: Against Celsus (New Advent)