Domain Quote by Werner Erhard

What we know is something, what we don't know is everything.

— Lim King Lok

Knowledge is the knowing that we want to know what we don't know or can't know.

— Vikrant Parsai

Shall I tell you what knowledge is? It is to know both what one knows and what one does not know.

— Confucius

What we don't know is much more than what we know.

— Albert Einstein

To take what you know for what you know, and what you do not know for what you do not know, that is knowledge…

— Confucius

Knowledge is the knowing that we cannot know.

— Ralph Waldo Emerson

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

— Henry David Thoreau

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

— Nicolaus Copernicus

What you know you know. What you don't know, you don't know. This is knowledge.

— Confucius

Knowledge is knowing that we cannot know.

— Ralph Waldo Emerson

We know a lot of things, but what we don't know is a lot more.

— Edward Witten

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

— Confucius