“Sleep and watchfulness, both of them, when immoderate, constitute disease.”
More from Hippocrates
“Declare the past, diagnose the present, foretell the future.”
“There are in fact two things, science and opinion; the former begets knowledge, the latter…”
“Those things which are sacred, are to be imparted only to sacred persons; and it is not…”
“A natural talent is required; for, when Nature opposes, everything else is in vain; but…”