A new commandment I give unto you, That ye love one another; as I have loved you, that ye also love one another.
I call it new not because the Law was silent on brotherly love, but because laws fade from memory and grow slack with time. Christ renews the commandment to press it deeply on His disciples' minds, as if freshly enacted, so they never let it slip away.
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When Judas left, I could speak freely at last. Christ is glorified by purifying His church; corruptions within it disgrace Him. Now that the traitor was gone, the family was clean, and He could pour out His heart without restraint.
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Commenting on John 13:31-35
It is new as an excellent commandment, set forth by me in a fresh edition with clearer explanation than before. The measure is new too: not love as yourself, but as I have loved you. It reaches to any person, not merely your countrymen.
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