Nothing is constant except change

The majority of people have no understanding of the things with which they daily meet, nor, when instructed, do they have any right knowledge of them, although to themselves they seem to have.

Unless you expect the unexpected you will never find it, for it is hard to discover and hard to attain.

The wise is one only. It is unwilling and willing to be called by the name of Zeus.

Nature loves to hide.

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.

Nothing is, everything is becoming.