recognized them. They were the aeros of the Guardians. But there were not two or three, as usual, there were about ten or twelve (I regret to have to confine myself to an approximate figure).
“Why are there so many today?” I dared to ask S- .
“Why? Hm. … A real physician begins to treat a patient when he is still well but on the way to becoming sick tomorrow, day-after-tomorrow or within a week. Prophylaxis! Yes!”
He nodded and went splashing over the stones of the yard. Then he turned his head and said over his shoulder, “Be careful!”
Again I was alone. Silence. Emptiness. Far beyond the Green Wall the birds and the wind. What did he mean? My aero ran very fast with the wind. Light and heavy shadows from the clouds. Below blue cupolas, cubes of glass-ice were becoming leaden and swelling. …