Just because you know a thing is true in theory, doesn't make it true in fact. The barbaric religions of primitive worlds hold not a germ of scientif… - Harry Harrison

Cold-blooded killing is just not my thing. I've killed in self-defence, I'll not deny that, but I still maintain an exaggerated respect for life in all forms. Now that we know that the only thing on the other side of the sky is more sky, the idea of an afterlife has finally been slid into the history books alongside the rest of the quaint and forgotten religions. With heaven and hell gone we are faced with the necessity of making a heaven or hell right here. What with societies and metatechnology and allied disciplines we have come a long way and life on the civilised worlds is better than it was during the black days of superstition. But with the improving of here and now comes the stark realisation that here and now is all we have. Each of us has only this one brief experience with the bright light of consciousness in that endless dark night of eternity and must make the most of it. Doing this means we must respect the existence of everyone else and the most criminal act imaginable is the terminating of one of these conscious existences.

You must realize that living organisms will do anything to survive. Castaways at sea will drink their own urine in their need for water. Disgust at this is only the attitude of the overprotected who have never experienced extreme thirst or hunger.

What finally decided me was what happened in that village in Tibet; we had airdropped in during the night to get between the Indians and the Chinese. I had never seen poverty or disease like that and I wondered why guns were the only thing we could bring them.