I went in response to a revelation and set before them the gospel that I preach among the Gentiles. But I spoke privately to those recognized as leaders, for fear that I was running or had already run in vain.
2. And I went up according to revelation. “Et y montai par revelation.” “And I went up thither by revelation.” He now proceeds to prove his apostleship and his doctrine, not only by works, but also by a Divine revelation.
It should seem, by the account Paul gives of himself in this chapter, that, from the very first preaching and planting of Christianity, there was a difference of apprehension between those Christians who had first been Jews and those who had first been Gentiles.
Commenting on Galatians 2:1-10
And I went up by revelation,.... He was not sent for by the apostles at Jerusalem, nor did he go of himself, nor only by the vote of the church at Antioch, but by a divine revelation; not a revelation made to the church, or by the prophets there, but by God himself to him; he had a secret impulse from the Spirit of God...