I read the Odyssey because it was the story of a man who returned home after being absent for more than twenty years and was recognized only by his dog.
It is one of the more striking generalizations of biochemistry - which surprisingly is hardly ever mentioned in the biochemical textbooks - that the twenty amino acids and the four bases, are, with minor reservations, the same throughout Nature.
I don't want any more vicissitudes, I don't want any more of this try, try again stuff. I just want out. I've had it. I am so tired. I am twenty and I am already exhausted.