Romans 13:12

The night is far spent, the day is at hand: let us therefore cast off the works of darkness, and let us put on the armour of light.

1 Timothy 5:20

Them that sin rebuke before all, that others also may fear.

2 Thessalonians 3:6

Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us.

2 John 1:10-11

If there come any unto you, and bring not this doctrine, receive him not into {your} house, neither bid him God speed:

Romans 16:17

Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.

Titus 2:15

These things speak, and exhort, and rebuke with all authority. Let no man despise thee.

2 Thessalonians 3:14

And if any man obey not our word by this epistle, note that man, and have no company with him, that he may be ashamed. {by...: or, signify that man by an epistle}

Psalms 1:1-2

Blessed {is} the man that walketh not in the counsel of the ungodly, nor standeth in the way of sinners, nor sitteth in the seat of the scornful. {ungodly: or, wicked}