For ye know. — He calls on the Thessalonians’ memory to support his statement, “ye received;” at the same time awakening their interest to catch the special point next to come, by laying stress on “what commandments.”
By the Lord Jesus. — Not as if the Lord were the person who took the commandments from St. Paul to the Thessalonians, but the person by means of whose inspiration St. Paul was enabled to give such commandments.