We don't know nearly enough about the complexities of Nature. If we think we can eliminate natural ecosystems and substitute prosthetic devices, i.e. clean air or water with fusion energy - we are kidding ourselves.
E. O. Wilson[W]hen the martyr's righteous forebrain is exploded by the executioner's bullet and his mind disintegrates, what then? Can we safely assume that all those millions of neural circuits will be reconstituted in an immaterial state, so the conscious mind carries on?
E. O. WilsonBiophilia: the innate pleasure from living abundance and diversity as manifested by the human impulse to imitate Nature with gardens.
E. O. WilsonOverall, the human brain is the most complex object known in the universe - known, that is, to itself.
E. O. WilsonWomen are extraordinary in lacking the estrus, or period of heat. The females of most other primate species become sexually active, to the point of aggression, only at the time of ovulation. Why has sexual responsiveness become nearly continuous? Unusually frequent sexual activity between males and females served as the principle device for cementing the pair bond.
E. O. Wilson