1 Corinthians 3:3
While there exist among you jealousy and party feeling, is it not true that you are worldly, and are acting merely as other men do?
Galatians 5:20
Idolatry, sorcery, quarrels, strife, jealousy, outbursts of passion, rivalries, dissensions, divisions,
Philippians 2:14-15
In all that you do, avoid murmuring and dissension,
Colossians 4:5
Show tact in your behavior to the outside world, making the most of every opportunity.
1 Thessalonians 4:12
So that your conduct may win respect from those outside the Church, and that you may not want for anything.
Titus 3:3
There was, you remember, a time when we ourselves were foolish, disobedient, misled, slaves to all kinds of passions and vices, living in a spirit of malice and envy, detested ourselves and hating one another.
James 3:16
For, where envy and rivalry exist, there you will also find disorder and all kinds of base actions.
James 4:1
What is the cause of the fighting and quarreling that goes on among you? Is not it to be found in the desires which are always at war within you?
1 Peter 2:12
Let your daily life among the Gentiles be so upright, that, whenever they malign you as evil-doers, they may learn, as they watch, from the uprightness of your conduct, to praise God 'at the time when he shall visit them.'