The Astonishing Hypothesis is that “You,” your joys and your sorrows, your memories and your ambitions, your sense of personal identity and free will, are in fact no more than the behavior of a vast assembly of nerve cells and their associated molecules.–Francis Crick
Good luck wrapping your brain around that one. Though the more empirical among you will know that emotions, ambitions, and sense of “self” are generated by the brain, I find that most people leave free will out of it. I have some thoughts on this objection here.
Francis Crick (8 June 1916 – 28 July 2004) was an English molecular biologist, biophysicist, and neuroscientist, and most noted for being a co-discoverer of the structure of the DNA molecule in 1953 together with James D. Watson.
Go forth you bag of neurons!