6I marvel that ye are so quickly removing from him that called you in the grace of Christ unto a different gospel; 7which is not another gospel: only there are some that trouble you, and would pervert the gospel of Christ. 8But though we, or an angel from heaven, should preach unto you any gospel other than that which we preached unto you, let him be anathema. 9As we have said before, so say I now again, If any man preacheth unto you any gospel other than that which ye received, let him be anathema. 10For am I now seeking the favor of men, or of God? or am I striving to please men? if I were still pleasing men, I should not be a servant of Christ.

11For I make known to you, brethren, as touching the gospel which was preached by me, that it is not after man. 12For neither did I receive it from man, nor was I taught it, but it came to me through revelation of Jesus Christ. 13For ye have heard of my manner of life in time past in the Jews’ religion, how that beyond measure I persecuted the church of God, and made havoc of it: 14and I advanced in the Jews’ religion beyond many of mine own age among my countrymen, being more exceedingly zealous for the traditions of my fathers. 15But when it was the good pleasure of God, who separated me, even from my mother’s womb, and called me through his grace, 16to reveal his Son in me, that I might preach him among the Gentiles; straightway I conferred not with flesh and blood: