I am not a positivist. Positivism states that what cannot be observed does not exist. This conception is scientifically indefensible, for it is impossible to make valid affirmations of what people 'can' or 'cannot' observe. One would have to say 'only what we observe exists,' which is obviously false.
He was justifying his existence, than which life can do no greater; for life achieves its summit when it does to the uttermost that which it was equipped to do.
Open your mind to what I shall disclose, and hold it fast within you; he who hears, but does not hold what he has heard, learns nothing. Beatrice - Canto V 40-42
CERBERUS, n. The watch-dog of Hades, whose duty it was to guard the entrance - against whom or what does not clearly appear; everybody, sooner or later, had to go there, and nobody wanted to carry off the entrance.
A tale from which pieces have been raked out is like a fire that has been poked. One does not know the operation has been performed, but everyone feels the effect.