Monks, nuns, long-term spinsters and bachelors and permanent homosexuals are all, in a reproductive sense, aberrant. Society has bred them, but they have failed to return the compliment.

No matter how old we become, we can still call them 'Holy Mother' and 'Father' and put a child-like trust in them.

Sexual behavior in our species goes through three characteristic phases: pair formation, precopulatory activity, and copulation, usually but not always in that order. The pair-formation stage, usually referred to as courtship, is remarkably prolonged by animal standards.

Life is like a very short visit to a toy shop between birth and death.

I viewed my fellow man not as a fallen angel, but as a risen ape.

Looking back now on the whole sexual scene we can see that our species has remained much more loyal to its basic biological urges than we might at first imagine. Its primate sexual system with carnivore modifications has survived all the fantastic technological advances remarkably well.

The age of a child is inversely correlated with the size of the animals it prefers.