Become more accepting. With every interaction, surrender any tendency to judge another person. Pray for a more accepting heart.

But what they were doing was wrong and I knew it was wrong. So, I couldn't just let it go.

I think religion is a gateway for spiritual awakening.

If you read history you will find that the Christians who did most for the present world were precisely those who thought most of the next. It is since Christians have largely ceased to think of the other world that they have become so ineffective in this.