not to be quickly shaken in your mind, nor yet be troubled, either by spirit, or by word, or by letter as from us, saying that the day of Christ had come.
As if the day of Christ were at hand. This may seem to be at variance with many passages of Scripture, in which the Spirit declares that that day is at hand. But the solution is easy, for it is at hand with regard to God, with whom one day is as a thousand years. (2 Peter 3:8.) In the mean time, the Lord would have us be constantly waiting for him in such a way as not to limit him to a certain time. 