“The best paradoxes raise questions about what kinds of contradictions can occur-what species of impossibilities are possible.” KindRaisesSpeciesContradictionParadoxImpossibilityRaises Questions Author:William Poundstone
“At a bare minimum, understanding entails being able to detect an internal contradiction: a paradox.” AbleUnderstandingContradictionInternalsParadoxMinimum Author:William Poundstone
