Heraclitus somewhere says that all things are in process and nothing stays still, and likening existing things to the stream of a river he says that you would not step twice into the same river.
Bigotry is the sacred disease, and self-conceit tells lies.
The Lord whose oracle is at Delphi neither reveals nor conceals, but gives a sign
There is harmony in the tension of opposites, as in the case of the bow and lyre.
Men who love wisdom should acquaint themselves with a great many particulars.
To do the same thing over and over again is not only boredom: it is to be controlled by rather than to control what you do.