John Chrysostom
After the Apostle had said to those who had the gift of tongues that there was nothing great in this, he goes on to prevent them from thinking he disparages them because he himself lacks it. See what he says: "I thank God that I speak in tongues more than all of you" (1 Cor 14:18). He does the same in other cases. Thus, when he intends to overthrow the vainglorious claims of Judaism and show that it is now nothing, he first explains that he himself possessed these claims in the highest degree. Then he calls them vanity. "If anyone else thinks he has reason for confidence in the flesh," he says, "I have more: circumcised on the eighth day, of the stock of Israel, of the tribe of Benjamin, a Hebrew of Hebrews. As to the Law, a Pharisee. As to zeal, a persecutor of the Church of God.
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As to righteousness under the Law, blameless" (Phil 3:4-6). Then, after proving that he himself had all these advantages, he says: "But what things were gain to me, these I counted loss for Christ" (Phil 3:7). So he acts here also. "I speak in tongues more than all of you," he says. Therefore do not exalt yourselves as though you alone have this gift. I also have it, and much more than you.