Originally Posted by
YoungerSister 
Intellectually I know I can't change her thoughts about this, but I keep hoping she will change.
If it weren't for the fact that you're an atheist I would have quoted the Serenity Prayer for you, but as you are, I can only offer you the following profound advice that someone once gave me:
If you're powerless to change something, the only choice left open to you is to change how you decide to look at it.