“On the planet Mars I was indeed expected by several beings of our tribe who had newly arrived from the planet Karatas. Among them, by the way, was also your grandmother who, according to the indications of the chief Zirlikners of the planet Karatas, had been assigned to me as the passive half for the continuance of my line”. BTG XIX

“You probably already well know that Zirlikners among us on the planet Karatas, as also in general beings similar to them on other planets of our Great Universe upon which breed already-formed three-brained beings, and from the number of whom are several, who, called differently on different planets, take upon themselves essential obligations in relation to the environment of beings similar to themselves — well, these Zirlikners are those responsible individuals who voluntarily devote the whole of their existence to helping any being of that region to fulfill his being-obligations, if this being for some reason or other, or simply thanks to a temporary irregular functioning of his planetary body, ceases to be able to fulfill his inner or outer being-duty by himself. BTG XXXI

“It must without fail be noticed that in former times also on your planet such professionals as are now called there physicians were almost the same and did almost the same as our Zirlikners among us; but gradually with the flow of time, the responsible beings there who devoted themselves to such a profession, namely, to the fulfillment of such a high voluntary being-duty taken upon themselves, degenerated like everything on that strange planet and became also absolutely peculiar. BTG XXXI

“I knew this Toof-Nef-Tef or king in his youth when he was only a ‘Plef-Perf-Noof’, and a Plef-Perf-Noof is almost the same as our Zirlikners or, on your planet Earth, ‘physicians’. BTG XLV