To know what you know and what you do not know, that is true knowledge.

To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.

True knowledge exists in knowing that you know nothing.

To know, is to know that you know nothing. That is the meaning of true knowledge.

Where there is shouting, there is no true knowledge.

When you know a thing, to hold that you know it, and when you do not know a thing, to allow that you do not know it - this is knowledge.