For our exhortation is not of error, nor of uncleanness, nor in deception.

 (i) He speaks of Satan blocking his way when he desired to come to Thessalonica. The word he uses (egkoptein, G1465) is the technical word for putting up a road-block calculated to stop an expedition on the march. It is Satan's work to throw obstacles into the Christian's way--and it is our work to surmount them. 