No Better Than The Rest

Proverbs 15:1 "A gentle answer turns away wrath, but a harsh word stirs up anger."
How many times have I listened to others argue and wondered why they didn't stop to really listen to each other?  During those times I need to stop and remember the times when I have been just as guilty.  If I don't then I am worse than they.  I am definitely no better than they, so I shouldn't judge them.
There is something we can do in these situations, however.
Verse 7 says, "The lips of the wise spread knowledge; not so the hearts of fools."
We can share with others what we have learned regarding arguing.
There are very few arguments in this world that are of any worth.  Most are simply one opinion versus another, which does no one any good.  Opinions can be changed only through experience and God is the One that brings that about.  If we believe someone to be of a wrong opinion because it differs from our own, then we should pray that God reveals it to them.  However, we should also be open to Him revealing to  us that WE are the ones that are wrong and desire to be shown, if that is the case.
What is worth arguing over?  I don't know that I have a real answer for that.  I don't know that arguing ever does any good at all.  Since God's Word says a gentle answers turns away wrath, perhaps we should always give a gentle answer, even if said answer differs from the person's with which we are sharing.
There are times when a little more emphasis is necessary, such as when you are in an authoritative position and have explained how something is to be done over and over again and no one wants to listen.  This was the case in the following example:
"Jesus entered the temple area and drove out all who were buying and selling there. He overturned the tables of the money changers and the benches of those selling doves.  And said unto them, It is written, My house shall be called the house of prayer; but ye have made it a den of thieves."  Matthew 21:12-13  
Notice that Jesus made it clear that this was nothing to argue about.  He didn't make false accusations, make derisive comments, or dare them to respond.  He made His statement, explained why He was doing what He was doing, dished out discipline needed and went about His way healing the lame and infirm. 
Sin should anger us, whether in our own or the life of someone else.  Anything that comes from the evil one should make us angry, but we need to learn how and where to direct that anger.  
Here is our example.  God's Word is plain about what sin is.  We should love people enough to get angry when we see them engrossed in it as the money changers were.  We should let them know that we know what they are up to, that we disagree and that we will have no part in it - then walk away.  Do we stop loving them?  No.  Jesus continued loving so greatly that He continued His journey to the cross.  Anywhere along the way He could have said, "Forget it, Father!   They're not worth it!"  Praise God, He didn't!  He kept going and paid the price for me - a sinner, but forgiven!