The life purpose must be jealously guarded from the temptation to seek for easy and transient attainment; likewise must it be so fostered as to become immune to the disastrous threats of fanaticism. 
Doctrinal fetish will lead mortal man to betray himself into the clutches of bigotry, fanaticism, superstition, intolerance, and the most atrocious of barbarous cruelties.  Overmuch sympathy and pity may degenerate into serious emotional instability; that enthusiasm may drive on into fanaticism.  Strong spiritual faith so many times leads directly to disastrous fanaticism, to exaggeration of the religious ego.  We must prevent religious fanaticism by scientific mental attitude.