Karl Popper Quotes

The known is finite, the unknown is infinite.

Our ignorance will always remain greater than our knowledge.

Indeed, the most important product of knowledge is ignorance.

We don't know a millionth of one percent about anything.

The most solid piece of scientific truth I know of is that we are profoundly ignorant about nature.

Our knowledge is a little island in a great ocean of nonknowledge.

We know accurately only when we know little, with knowledge doubt increases.

He that knew all that learning ever writ, Knew only this - that he knew nothing yet.

In expanding the field of knowledge we but increase the horizon of ignorance.

Opinion is the medium between knowledge and ignorance.

Knowledge is knowing that we cannot know.

We live on an island surrounded by a sea of ignorance. As our island of knowledge grows, so does the shore of our ignorance.

But I know that all the things I do know are very small compared with the things that I don't know.

I know nothing, because I know too much, and understand not nearly enough and never will.

As areas of knowledge grow, so too do the perimeters of ignorance.

The more one thinks, the more one feels the hopeless immensity of man's ignorance.

Knowledge is the small part of ignorance that we arrange and classify.

In the world we live in, what we know and what we don't know are like Siamese twins, inseparable, existing in a state of confusion.

As we acquire knowledge, things do not become more comprehensible, but more mysterious.

The paradox of knowledge is not confined to the small, atomic scale; on the contrary, it is as cogent on the scale of man, and even of the stars.

To attain any assured knowledge about the soul is one of the most difficult things in the world.

The greater our knowledge increases the more our ignorance unfolds.

Every branch of human knowledge, if traced up to its source and final principles, vanishes into mystery.

The remarkable position in which we find ourselves is that we don't actually know what we actually know.

Where knowledge ends, religion begins.