Beyond Good and Evil by Friedrich Nietzsche Chapter 1 Page 25

(which was really youthfulness, notwithstanding that it disguised itself so boldly, in hoary and senile conceptions), than to take it seriously, or even treat it with moral indignation. Enough, however — the world grew older, and the dream vanished.

A time came when people rubbed their foreheads, and they still rub them today. People had been dreaming, and first and foremost — old Kant. “By means of a means (faculty)” — he had said, or at least meant to say. But, is that — an answer? An explanation? Or is it not rather merely a repetition of the question? How does opium induce sleep? “By means of a means (faculty),” namely the virtus dormitiva, replies the doctor in Moliere,

Quia est in eo virtus dormitiva,