The reason I'm not a neurobiologist but a cognitive psychologist is that I think looking at brain tissue is often the wrong level of analysis. You have to look at a higher level of organization.
We are faced with the task of convincing a myth infatuated world that love and curiosity are sufficient and you don't have to delude yourself and frighten yourself with Iron Age fairy tales. This is a monumental task. I don't think there is an intellectual struggle more worthy of our efforts.
But if one observes, one will see that the body has its own intelligence; it requires a great deal of intelligence to observe the intelligence of the body.
If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.