Known Quote by John D. Barrow

Once a thing is known,it can't be UNknown.

— Chris Crutcher

Everything can be known and, in some cases, everything is known.

— Toomas Hendrik Ilves

Since nothing is so secret or hidden that it cannot be revealed, everything depends on the discovery of those things that manifest the hidden.

— Paracelsus

Something that cannot be explained cannot be seen.

— Heinz von Foerster

Nothing is hidden that will not be made known; nothing is secret that will not come to light.

— Dan Brown

Mystery is more important than knowledge.

— J. J. Abrams

All that we know is nothing can be known.

— Socrates

Nothing you can know that isn't known Nothing you can see that isn't shown Nowhere you can be that isn't where you're meant to…

— John Lennon

There are things known and there are things unknown, and in between are the doors of perception.

— Aldous Huxley

One can only define the unknown by its supposed and supposable relations with the known.

— Eliphas Levi

No one can reveal to you nothing but that which already lies half-asleep in the dawning of your knowledge.

— Kahlil Gibran

Knowledge is knowing that we cannot know.

— Ralph Waldo Emerson