Do You Believe?

[Alex]

Then, out of curiosity, if it is undetectable, unknowable, and there is no evidence of it, what is the point in believing in it?

In other words, what separates it from the myriad other things equally uknowable and unevidenced that you don't believe in?


Also, if you haven't read it, Leonard Susskind's recent The Black Hole War is a very interesting look into bringing together quantum and relativistic gravity.