We circle in the night and we are devoured by fire.

The unlike is joined together, and from differences results the most beautiful harmony.

There is nothing permanent except change.

Men who are lovers of wisdom [i.e., philosophers] must be inquirers into many things.

A drunk man, staggering and mindless, must be led home by his son, so wet is his psyche... Water brings death to the psyche, as earth brings death to water... The psyche lusts to be wet.

The only constant in life is change

Of the Logos which is as I describe it men always prove to be uncomprehending, both before they have heard it and when once they have heard it. For although all things happen according to this Logos, they [men] are like people of no experience, even when they experience such words and deeds as I explain, when I distinguish each thing according to its constitution and declare how it is; but the rest of men fail to notice what they do after they wake up just as they forget what they do when asleep.