The law of the harvest states that you always harvest what you plant. … This law applies to many things, not just farming. One area is the spiritual realm. Let’s what “this means.”
This means you can’t fool or outwit God (Galatians 6:7). You cannot get by with sin. Every sin will be judged. See also Matthew 12:36; Luke 12:2-3; 2 Corinthians 5:10. The only relief from the law of the harvest is in the death of Jesus. … Every sin will receive a corresponding punishment. Yes, every sin. Sometimes the punishment comes in this life in the form of consequences, but all will be taken into account on the day of judgment. Fortunately for us, Jesus took the punishment for all our sin when He died on the cross. … This is also the reason we shouldn’t take revenge upon those who have sinned against us. We can rest in the mercy and judgment of God.
This means it is extremely important what you put into your mind and how you invest your life (Galatians 6:8). … When our goal is to appease our fleshly desires, the ultimate outcome is rot and destruction, but when the goal is to please the Spirit then we reap rewards of eternal life. What we put in our mind affects what we sow. For example, if we hold a grudge towards others then that will work its way into the relationship and we won’t reap harmony.
This means the work you do for the Kingdom will bear fruit if you do not give up (Galatians 6:9). … The danger that would shortchange the harvest is that we quit. There’s a time gap between sowing and reaping, between planting and harvesting. This time gap can be frustrating and cause us to lose heart.
This means it is important for us to invest our lives in ministry while there is time or opportunity (Galatians 6:10). … We have an obligation to not only minister to other believers, but also to non-believers and to sow the Gospel among them and to reap the harvest.
Galatians 6:11-18 is the conclusion to this letter. He gives his mark of authenticity and reinforces the main point in the letter, that salvation is by faith in Jesus alone.