The Serpent's Role in Deception and Temptation

For all the things the New Testament emphasizes, it is nearly impossible to overlook its repeated, intense warnings around false teaching and distorted doctrine. Across the entire canon of Scripture, there is simply no way around God’s deep concern for his peoples’ minds and hearts to be shaped only by what he has told them–nothing more and nothing less. How might we embrace the same passion for orthodoxy while maintaining charity and love?