Boast Quote by Leonardo da Vinci

You can't know what you don't know. You can't know about things you have yet to discover.

— Jonathan Raymond

Nature is all that we think we know plus all that we don't know whether or not we know that we don't know it.

— R. Buckminster Fuller

Though it may be called a nescience, and unknowing, yet there is in it more than all knowing and understanding without it; for this…

— Meister Eckhart

Far more crucial than what we know or do not know is what we do not want to know. One often obtains a clue…

— Eric Hoffer

Science tells us what we can know, but what we can know is little, and if we forget how much we cannot know we…

— Bertrand Russell

Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts…

— Niels Bohr

“Science has always said that it may not know everything now but it will know, eventually. But now we see that isn’t true. It…

— Michael Crichton

Knowledge of the self is the mother of all knowledge. So it is incumbent on me to know my self, to know it completely,…

— Anonymous

Everything you'll ever need to know is within you; the secrets of the universe are imprinted on the cells of your body.

— Dan Millman

Nature has concealed at the bottom of our minds talents and abilities of which we are not aware.

— Francois de La Rochefoucauld

There are few things in the world that we don't know. Science has explained everything away.

— Anthony Horowitz

Is there some principal of nature which states that we never know the quality of what we have until it is gone?

— Herman Melville