Ethics (n.) is defined according to the meaning of ethos, as concerning the pondering of the abode of man.
Ethics (n.) that ponders the abode of man is originally nothing but the thinking of the truth of Being.
Ethics (n.) as a science produces registries about registries; the only thing worth noticing is what drives people from physics to ethics in the first place.
Ethics (n.) is the most we manage to call for once technology is reduced to man and his machines, and so we miss the claim of Being speaking through it.
Ethics (n.) is longed for most ardently when technological man, delivered over to mass society, can be kept on call only by ordering his plans to match technology.
Ethics (n.) cannot be tacked onto a 'theoretical subject' afterward to round it out on the practical side; that curtails the human being artificially from the start.
Ethics (n.) with logic and physics was born in Plato's school as thinking became philosophy and philosophy a science: science waxed and thinking waned. The earlier thinkers had no ethics, yet were not immoral.