Jesus commends Christians who are discerning. Here is what He says:
Letter to the Church of Ephesus (Revelation 2)
1Unto the angel of the church of Ephesus write; These things says he that holds the seven stars in his right hand, who walks in the midst of the seven golden lampstands;
2I know your works, and your labor, and your patience, and how you can not bear them who are evil: and you have tried them who say they are apostles, and are not, and have found them liars:
3And have endured, and have patience, and for my name’s sake have labored, and have not fainted.
4Nevertheless I have somewhat against you, because you have left your first love.
5Remember therefore from where you are fallen, and repent, and do the first works; or else I will come unto you quickly, and will remove your lampstand out of its place, except you repent.
6But this you have, that you hate the deeds of the Nicolaitans, which I also hate.
7He that has an ear, let him hear what the Spirit says unto the churches; To him that overcomes will I give to eat of the tree of life, which is in the midst of the paradise of God.
“Preach the Word” (2 Timothy 4)1I solemnly charge you in the presence of God and of Christ Jesus, who is to judge the living and the dead, and by His appearing and His kingdom:2preach the word; be ready in season andout of season; reprove, rebuke, exhort, with great patience and instruction.3For the time will come when they will not endure sound doctrine; but wanting to have their ears tickled, they will accumulate for themselves teachers in accordance to their own desires,4and will turn away their ears from the truth and will turn aside to myths.5But you, be sober in all things, endure hardship, do the work of an evangelist, fulfill your ministry.