All things come into being through opposition and all are in flux like a river
You can never step in the same river twice.
Knowledge is not intelligence.
Hide our ignorance as we will, an evening of wine soon reveals it.
War is the father and king of all.
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.