The first of these difficulties is relative to the absolute dependence of our spiritual life, as we know it here, upon the brain. One hears not only physiologists, but numbers of laymen who read the popular science books and magazines, saying all about us. How can we believe in life hereafter when Science has once for all attained to proving, beyond possibility of escape, that our inner life is a function of that famous material, the so-called 'gray matter' of our cerebral convolutions? How can the function possibly persist after its organ has undergone decay?
Thus physiological psychology is what is supposed to bar the way to the old faith. And it is now as a physiological psychologist that I ask you to look at the question with me a little more closely.
It is indeed true that physiological science has come to the conclusion cited; and we must confess that in so doing she has only carried out a little farther the common belief of mankind. Every one
