Perhaps as good a classification as any of the main types is that of the three lusts distinguished by traditional Christianity - the lust of knowledge the lust of sensation and the lust of power.
The true humanist maintains a just balance between sympathy and selection.
Belief and knowledge are considered to be two different things. But they are...
I really had little interest in becoming famous. When I write my book it will be my guide to avoid becoming a rock star.