The genes hold culture on a leash. The leash is very long, but inevitably values will be constrained in accordance with their effects on the human gene pool. The brain is a product of evolution. Human behavior-like the deepest capacities for emotional respone which drive and guide it-is the circuitous technique by which human genetic material has been and will be kept intact.
E. O. WilsonConsider the nematode roundworm, the most abundant of all animals. Four out of five animals on Earth are nematode worms โ if all solid materials except nematode worms were to be eliminated, you could still see the ghostly outline of most of it in nematode worms.
E. O. Wilson