> Without any evidence except my mother's word, I can't prove it, but I don't think it's irrational for me to believe it. It's not irrational because it was ne

> Without any evidence except my mother's word, I can't prove it, but I don't think it's irrational for me to believe it. It's not irrational because it was never particularly implausible in the first place. If there was an apparent law of the universe saying your great grandmother's nickname cannot possibly be Jennie, and you insisted that your mother told you and that's that, you'd be talking about "faith" on the level usually addressed in the disputes between religious and nonreligious epistemologies.