Don't have anything to do with foolish and stupid arguments, because you know they produce quarrels.
NIV
But refuse (shut your mind against, have nothing to do with) trifling (ill-informed, unedifying, stupid) controversies over ignorant questionings, for you know that they foster strife and breed quarrels.
AMP
But foolish and unlearned questions avoid, knowing that they do gender strifes.
KJV
The dispute became so violent that the commander was afraid Paul would be torn to pieces by them. He ordered the troops to go down and take him away from them by force and bring him into the barracks.
NIV
And when the strife became more and more tense and violent, the commandant, fearing that Paul would be torn in pieces by them, ordered the troops to go down and take him forcibly from among them and conduct him back into the barracks.
AMP
And when there arose a great dissension, the chief captain, fearing lest Paul should have been pulled in pieces of them, commanded the soldiers to go down, and to take him by force from among them, and to bring him into the castle.
KJV