Certain Knowledge Quotes

Knowledge is recognizing what you know and what you don't.

It is therefore worthwhile, to search out the bounds between opinion and knowledge; and examine by what measures, in things, whereof we have no certain knowledge, we ought to regulate our assent, and moderate our persuasions.

Not to understand the doer is to have no certain knowledge of what has been done, or why it was undertaken

Americans live with the certain knowledge that the source of their greatness has not yet been released.