"A priori knowledge or justification is independent of experience, as with mathematics (2+2=4), tautologies ("All bach…"

"It is much more high and philosophical to discover things a priori than a posteriori. And therefore the Peripatetics …"

"Up to this point we have restricted our attention to space as a mere extension. But space, as understood in common pr…"

"The only justification for our concepts and system of concepts is that they serve to represent the complex of our exp…"

"As an interpreter of nature... Leibnitz stands in no comparison with Newton. His general views in physics were vague …"

"In the 1970s I even got to meet Kurt Gödel a few times. The king of the logicians. Gödel once told me, “The a priori …"

"There is nothing physical to be learned a priori. We have no right whatever to ascertain a single physical truth with…"

"Behold the mighty Dinosaur, Famous in prehistoric lore, Not only for his weight and strength But for his intellectual…"

"In the higher degrees of Scottish Freemasonry, there are two mottos whose meaning is related to some of the considera…"

"In absolute clarity, one sees as little as in absolute darkness. Pure light and pure darkness are two voids, they are…"