Nature is wont to hide herself.

If it were not for injustice, men would not know justice.

Abundance of knowledge does not teach men to be wise.

All is flux, nothing stays still.

Nothing endures but change.

It is better to hide ignorance, but it is hard to do this when we relax over wine.

You could not step twice into the same river; for other waters are ever flowing on to you.

The chain of wedlock is so heavy that it takes two to carry it - and sometimes three.