1 Thessalonians 5 is an excellent overview of the coming day of the Lord, and instruction for esteeming those who teach sound doctrine. Verse 21 is a simple, yet profound statement that should be another foundational pillar of our Christian walk:
1 Thessalonians 5:21 (New American Standard Bible)
I will say it again - false teachers, apostates, heretics, pimps and other purveyors of antichrist advancement would not be able to molest the Church with reckless abandon if God’s people were able to spiritually discern God’s Word and His Spirit.
Our brothers over at ProclaimHisWord are back with another video about the importance of spiritual discernment as an antidote to the spread of false and destructive doctrine: