Obey the commandment. To obey and to keep (preserve intact) are opposite sides of the same coin. I understand the commandment to be what Paul has said in 1 Timothy 6:11-12. It begins with the good profession, in which we reach out through faith to seize Christ (See notes on Acts 2:37-38). MacKnight understands the good profession to be a continuous profession of faith before all mankind. Until the Day. Compare 1 Thessalonians 5:23.

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Old Testament