black
grey
blue
red
brown
white

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Karl Popper

Those who promise us paradise on earth never produced anything but hell.
KARL POPPER

Hell Nature Promise
I would rather find a single causal law than be the king of Persia!
KARL POPPER

Law Myself
The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPER

Evidence Science Theory Way
If our civilization is to survive, we must break with the habit of deference to great men.
KARL POPPER

Break Greatness Men Ourselves Survive
We must plan for freedom, and not only for security, if for no other reason than only freedom can make security more secure.
KARL POPPER

Freedom Philosophy Reason Security
Science is most significant as one of the greatest spiritual adventures that man has yet known.
KARL POPPER

Adventure Greatness Man Science Spiritual
The future depends on ourselves, and we do not depend on any historical necessity.
KARL POPPER

Future History Necessary Ourselves
The quest for precision is analogous to the quest for certainty, and both should be abandoned.
KARL POPPER

Abandonment Mystery Philosophy
Always remember that it is impossible to speak in such a way that you cannot be misunderstood: there will always be some who misunderstand you.
KARL POPPER

Impossible Philosophy Remember Speak Yourself
No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it
KARL POPPER

Book Deep Learning Moment
Those who promise us paradise on earth never produced anything but hell.
KARL POPPER

Hell Philosophy
In my view, aiming at simplicity and lucidity is a moral duty of all intellectuals: lack of clarity is a sin, and pretentiousness is a crime.
KARL POPPER

Crime Duty Moral Myself Philosophy Simplicity Sin
History has no meaning.
KARL POPPER

History One Liner
The method of learning by trial and error – of learning from our mistakes – seems to be fundamentally the same whether it is practiced by lower or by higher animals, by chimpanzees, or by men of science.
KARL POPPER

Animal Learning Man Mistakes Ourselves Science
The most we can say of democracy or freedom is that they give our personal abilities a little more influence on our well-being.
KARL POPPER

Ability Democracy Freedom
Theories are nets cast to catch what we call ‘the world’: to rationalize, to explain, and to master it. We endeavor to make the mesh ever finer and finer.
KARL POPPER

Fine Perfection Theory World

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Related Topics

Popular Authors

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Related Topics

Popular Authors

More Karl Popper Quotes