“You have brains in your head. You have feet in your shoes. You can steer yourself in any direction you choose. You're on your own.And you know what you know. You are the guy who'll decide where to go.”
I don't think immortality is necessarily the key to understanding the world. You have to be careful with what you think you're achieving. I'm all for science discovering amazing and fantastic things about our world, but I think the motivations behind it are slightly askew.