Your opponent wants you to give up the fight. Don't do that. But otherwise, be as nice as you can to your opponent. You would rather no one suffered, but you would rather suffer than cause your opponent to suffer.

So you try to like and empathize with your opponent. You are always kind and courteous.

The second important technique is to

If both you are your opponent are fighting for your own selfish ends, you can still be kind and courteous. But you cannot hope for anyone to be sympathetic to your cause. A defining feature of satyagraha is that you conceptualize the battle to do what is right. Both Gandhi and King thought their cause was right and just.

Once you are fighting for what is right and just, you can

This includes evidence and reasoning.

There is a fourth principle, not as important as the first three, but still important. It is that you

A basic psychological principle is that you tend to like the people on your team and dislike the people you are competing against. So you want to be cooperating, not competing.

You do this by choosing a goal you can both agree on and work towards: Doing what is right. You work towards this goal with techniques you can both agree on: talking, reasoning, communicating, and presenting evidence. And if you are in the right, the nice thing to do is continue the fight, to help your opponent do the right thing.