Karl Popper
Karl Popper
Sir Karl Raimund Popper CH FBA FRSwas an Austrian-British philosopher and professor. He is generally regarded as one of the greatest philosophers of science of the 20th century...
NationalityAustrian
ProfessionPhilosopher
Date of Birth28 July 1902
CountryAustria
ignorance pride simple
Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride, or laziness of mind.
ignorance paradise-on-earth absence
True ignorance is not the absence of knowledge, but the refusal to acquire it.
names tolerance should
Unlimited tolerance must lead to the disappearance of tolerance. If we extend unlimited tolerance even to those who are intolerant, if we are not prepared to defend a tolerant society... then the tolerant will be destroyed, and tolerance with them... We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.