“Knowledge is knowing that we cannot know.”
“Knowledge is invariably a matter of degree : you cannot put your finger upon even the simplest datum and say 'this we know'.”
“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.”
“To know that we know what we know, and that we do not know what we do not know, that is true knowledge.”
“Confucius said, "To know that we know what we know, and that we do not know what we do not know, that is true knowledge.”
“Deep in each man is the knowledge that something knows of his existence. Something knows, and cannot be fled nor hid from.”