Justin Martyr, Second Apology 8

I therefore expect to be plotted against by one of those already named and brought to the cross, perhaps even by Crescens, the lover of wisdom and lover of fame. He is not worthy to be called a philosopher, for he publicly testifies against us concerning things he does not understand, charging that Christians are atheists and impious, and he does this for the favor and pleasure of the many who have been led astray. If he reviles us without having encountered the teachings of Christ, he is thoroughly wicked and far worse than private citizens, who often refrain from discussing or bearing false witness about things they do not know. But if he has encountered those teachings and failed to grasp their greatness, or if he grasped it yet acts in this way so as not to be suspected of allegiance, he is all the more ignoble and thoroughly wicked, subordinate to private, irrational glory and fear. I want you to know that I approached him, put certain questions to him, and discovered and demonstrated that he truly knows nothing. If the records of our conversations have not yet reached you, I am ready to share those questions with you again; that too would be a royal work. But if my questions and his answers have already become known to you, it is clear to you that he knows nothing of our doctrine; or if he does know, he does not dare say so to his hearers, any more than Socrates did, as I said before. He shows himself not a lover of wisdom but a lover of fame, one who does not even honor the Socratic principle that is worthy of honor: that no man is to be honored above the truth. And it is impossible for a Cynic, who has made indifference his goal, to know the good apart from indifference.