Connecting Statement:

Paul ends with a blessing from God.

Now

Paul uses this word here to mark a change in topic.

The words "our" and "us" refer to all believers. (See: rc://en/ta/man/translate/figs-inclusive)

Here "himself" gives additional emphasis to the phrase "Lord Jesus Christ." (See: rc://en/ta/man/translate/figs-rpronouns)

"hearts" refers to the seat of emotions. AT: "comfort you and strengthen you for" (See: rc://en/ta/man/translate/figs-metonymy)