Energy conserved consciously, is thanking energy with respect. OR in the sense that, instead of being silent, one should laugh at their [religious nuts] face.
Not a good idea if you're dealing with dangerous people who take laughing to mean ridiculing their beliefs. They could plan something extreme against you.
Live by example, walk your talk...people with brains and used them will bound to see the truth. TRUTH... the only thing that people don't believe. A lie can travel halfway around the world while the truth is putting on its shoes.