Man is most nearly himself when he achieves the seriousness of a child at play.

— Heraclitus

Many who have learned from Hesiod the countless names of gods and monsters never understand that night and day are one

— Heraclitus

Men forget where the way leads and what they meet with every day seems strange to them. We should not act and speak like men asleep.

— Heraclitus

Much learning does not teach understanding.

— Heraclitus

Nature is wont to hide herself.

— Heraclitus

Nature loves to hide.

— Heraclitus

No man ever steps in the same river twice, for it's not the same river and he's not the same man.

— Heraclitus

Nothing endures but change.

— Heraclitus

Nothing is permanent but change.

— Heraclitus

One must realize that war is common, and justice strife, and that all things come to be through strife and are (so) ordained.

— Heraclitus