John’s purpose was to strengthen Christians to resist the tide of heresy that was rising against the church. Much of this false teaching was an early form of Gnosticism.
The gnostic idea that matter was evil and only spirit was good led to the idea that either the body should be treated harshly, a form of asceticism (Col. 2:21–23), or that sin committed in the body had no connection or effect on one’s spirit. In other words, the false teaching sought to drive a wedge between body and soul. This is why it often maintained that Jesus could not have been God and man at the same time.
The result of this error in teaching was compounded when some, including John’s opponents, concluded that sins committed in the physical body did not matter. Absolute indulgence in immorality was permissible. One could deny sin even existed (1 John 1:8–10) and disregard God’s law (1 John 3:4).
As a bulwark against this heresy, John lifted the confession that “Jesus Christ [came] in the flesh” (v. 7). What Christians do in their physical life is directly connected with what they do in their spiritual life. John emphasized the need for obedience to God’s laws, for he defined the true love for God as obedience to His commandments (1 John 5:3). Jesus, in His human living, offered the perfect example of that kind of love.
The gnostic idea that matter was evil and only spirit was good led to the idea that either the body should be treated harshly, a form of asceticism (Col. 2:21–23), or that sin committed in the body had no connection or effect on one’s spirit. In other words, the false teaching sought to drive a wedge between body and soul. This is why it often maintained that Jesus could not have been God and man at the same time.
The result of this error in teaching was compounded when some, including John’s opponents, concluded that sins committed in the physical body did not matter. Absolute indulgence in immorality was permissible. One could deny sin even existed (1 John 1:8–10) and disregard God’s law (1 John 3:4).
As a bulwark against this heresy, John lifted the confession that “Jesus Christ [came] in the flesh” (v. 7). What Christians do in their physical life is directly connected with what they do in their spiritual life. John emphasized the need for obedience to God’s laws, for he defined the true love for God as obedience to His commandments (1 John 5:3). Jesus, in His human living, offered the perfect example of that kind of love.
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