not to be easily upset or disturbed by people who claim that the Lord has already come. They may say that they heard this directly from the Holy Spirit, or from someone else, or even that they read it in one of our letters.
Some people have gotten out of the habit of meeting for worship, but we must not do that. We should keep on encouraging each other, especially since you know that the day of the Lord's coming is getting closer.
The Spirit of Christ was in them and was telling them how Christ would suffer and would then be given great honor. So they searched to find out exactly who Christ would be and when this would happen.