New Defender's Study Bible Notes
16:18 fair speeches. Those who promote doctrinal tangents or worldly morality in the church often have charismatic personalities and are attractive in speech, able to “beguile” (more accurate connotation than “deceive”) those who are naive in their attitude toward Scripture and toward smooth-talking teachings. Christians need to learn to test all teaching by Scripture, taken in full context with other Scripture. Note Isaiah 8:20 and Acts 17:11.