I think like the species I am studying, whatever it is. If I am watching a lizard, I become the lizard. Gazing ath the water at a pike, I become the pike.

Artists like cats; soldiers like dogs.

We may prefer to think of ourselves as fallen angels, but in reality we are rising apes.

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

This gives the agents of the gods a powerful area of support. All they need to do is to remind their followers constantly of their mortality and to convince them that the afterlife itself is under the personal management of the particular gods they are promoting. The self-protective urges of their worshippers will do the rest.

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.

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.