1 Timothy 1:6
from which some, having swerved, have turned aside to foolish talking,
Titus 1:10
For there are indeed many unruly men, vain talkers and deceivers, especially those of the circumcision,
1 Timothy 5:15
For some have already turned aside after Satan.
1 Timothy 6:4-5
he is proud, knowing nothing. He is sick concerning doubts and arguments, from which comes envy, strife, evil speakings, evil suspicions,
1 Timothy 6:20-21
O Timothy, guard the Deposit, avoiding profane and vain babblings, and oppositions of falsely-named science,
2 Timothy 2:18
who have erred concerning the truth, saying that the resurrection is already past, and who overthrow the faith of some.
2 Timothy 2:23-24
But avoid foolish and unlearned questions, knowing that they give birth to strifes.
2 Timothy 4:10
For Demas has forsaken me, having loved this present world, and he has departed to Thessalonica. Crescens went to Galatia, Titus to Dalmatia.
Titus 3:9
But avoid foolish questions and genealogies and contentions, and strivings about the Law, for they are unprofitable and vain.