when he shall have come to be glorified in his saints, and wondered at in all that have believed, (for our testimony to you has been believed,) in that day.

This is why we always pray for you also, so that our God will consider you worthy to be [i.e., to have been] called [into the kingdom] by Him, and will fulfill, by His power, every good purpose [or, "desire for goodness"] of yours and every act produced by [your] faith.

not readily to become unsettled in mind or troubled--either by any pretended spiritual revelation or by any message or letter claiming to have been sent by us--through fancying that the day of the Lord is now here.

Let not any one deceive you in any manner, because it will not be unless the apostasy have first come, and the man of sin have been revealed, the son of perdition;

For the secret power of lawlessness is already at work, but only until he who is holding it back has been gotten out of the way.

and in all deceivableness of unrighteousness, among them that perish: because they received not the love of the truth, that they might have been saved.

Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.