Simplicity (ἁπλότης)
Simplicity conveys a singleness of nature or unity. Therefore, its purpose is not dividable; rather, it is immutable while expressing a state of openness, frankness, or directness.
In addressing the saints in Rome, the Apostle Paul encouraged the ones with the Spiritual gift of giving to use this gift with simplicity, Romans 12:8. Whether we have the gift or not, when it comes to giving, we are not to do it under compulsion, or out from necessity, but with a cheerful heart, for the Lord loves a cheerful giver, 2 Corinthians 9:7. Therefore, let each one determine in his heart what he desires to give from his excess and do it so with simplicity, having no other intent.
In contrast to fleshly wisdom, we are to conduct ourselves in this world in simplicity and godly sincerity, 2 Corinthians 1:12. This is especially important when it comes to ones who teach the Word of God. Their purpose should always be to teach others, not to gain anything from them by teaching. An assembly should take care of its Pastor, and for those who serve well, they should provide for him a double portion; however, the intent of the Pastor should be simple, to equip them unto a work of ministry for the edification of the body of the Christ to bring them all to a unity (oneness) of the faith and a full experiential knowledge of the Son of God so that they are no longer tossed around by every wind of teaching by the trickery of men in deceit.
When it comes to someone who presents a different gospel or receives a different spirit, we are not to put up with them, for they seek to corrupt us […]
The Doctrine of Immersion (Baptism)
The doctrine of immersion (baptism) is referring to the fact that we have been immersed into the body of the Christ, a new creation in which Christ is the head and the Church is the body (2 Corinthians 5:17; Ephesians 1:22,23). This immersion frees us from slavery to the sin nature and enables us to work out righteousness in our lives through obedience to God (Romans 6:4). Therefore, understanding this we are to go on to maturity. Treating each other within the Church as equals, learning to feel at ease with who we are in Christ, and living out a life that truly glorifies (that is express a proper opinion) of God, because we have been immersed into the Christ.