Christ's parable contains at least two warnings that are important to how we deal with possible tares within God's church. First, we need to be aware that tares—false members—are a reality. Counterfeit members do exist and are at work within God's church; Christ Himself says so. The fact that they are present requires that we be on our guard, not allowing ourselves to be led astray. For example, do we measure our actions by the actions of others? What if that person by whom we measure ourselves is a tare? Instead, Jesus Christ is the one and only perfect model, as shown by Scripture (Romans 8:29). Paul says that if we measure ourselves among ourselves, we are not wise (II Corinthians 10:12)
In addition to counterfeit brethren, tares could also be false ministers, even false apostles (see II Corinthians 11:13-15). False church leaders, teaching false doctrines that spread spiritual havoc, are a dire threat. Tares in the church spread destructive attitudes and ideas that can influence true brethren toward negativity, suspicion, cynicism, sarcasm, and doubt. Christ warns us of such deception in Matthew 24:24, "For false christs and false prophets will rise and show great signs and wonders to deceive, if possible, even the elect." Knowing that tares are in the church, we must be vigilant, clinging to the truth lest we be deceived.
Second, Christ's parable warns us not only to take great care to avoid the false instruction and attitudes of the tares, but also to be mindful about how we treat young, immature "wheat" that we may mistake for tares. We must be slow to judge, remembering that church members are not all equally converted. Though they may be pure in heart, even the wheat may not always act properly. Likewise, some brethren may always act properly, may always seem to do the right thing, but their hearts remain unconverted or even corrupted.
God knows who belongs to Him and who does not (II Timothy 2:19), and He allows both to grow together. The interaction between wheat and tares, the true and the false, provides a constant test: How patient are we in our relationships with others? James sets the standard in James 5:9, exhorting, "Do not grumble against one another, brethren, lest you be condemned. Behold, the Judge is standing at the door!"
In order to endure to the end, we must develop the patient attitude described by James. We must grow to be thick-skinned, not easily offended in our dealings with young wheat or tares, never taking insults or affronts personally. When we deal with those coming to conversion, we all must be long-suffering, patient, having a great deal of love for one another. We must never contend with brethren, as the Scripture frequently admonishes (I Corinthians 3:3, Philippians 2:3).
Some may display their faults externally, while others hide their sins (I Timothy 5:24). It is easy to say about the former, "He is not living as he should," while missing a corrupt heart in the latter. However, God works with His children on an individual basis; He works with us one-on-one. Each of us has his unique trials and is experiencing tests unlike others, whether it be the loss of health, a job, a home, or a friend. Through His personal relationship with each of us, God is refining us into the mature wheat that He wants to reap at His harvest.
