Thematic Bible: Against false teachers

Look out for the dogs [the Judaizers, the legalists], look out for the troublemakers, look out for the false circumcision [those who claim circumcision is necessary for salvation]; Verse ConceptsdogsAttackingJudging OthersMinistry, In The ChurchMutilationWarningBeing BewareDivision Among ChristiansEvildoersSevering Body PartsCircumcision PartyPets

See to it that no one takes you captive through philosophy and empty deception [pseudo-intellectual babble], according to the tradition [and musings] of mere men, following the elementary principles of this world, rather than following [the truth—the teachings of] Christ. Verse ConceptsCustomAbsolute TruthFalse TeachingsFalse ReligionElementsFalse Doctrine, Nature OfWarnings Against DeceptionHeresiesIntelligencePhilosophyReceptivenessWorldly WisdomSpiritual Warfare, ArmourSpiritual Warfare, Enemies InStrength, HumanThoughtTraditionsWarningFalse Doctrines, AvoidanceShallownessElements Of The UniverseAvoiding DeceitAtheism, Description OfDeceptioncultureFutile Faith

Speaking of this as he does in all of his letters. There are some things in those [epistles of Paul] that are difficult to understand, which the ignorant and unstable twist and misconstrue to their own utter destruction, just as [they distort and misinterpret] the rest of the Scriptures. Let me warn you therefore, beloved, that knowing these things beforehand, you should be on your guard, lest you be carried away by the error of lawless and wicked [persons and] fall from your own [present] firm condition [your own steadfastness of mind].