"Such knowledge is clearly not the same as that derived by abstraction from individual cases: abstraction can provide us with knowledge of accidents but not necessary attributes as such. If we find that the search for essences can in fact only take the form of abstraction from individual cases then Aristotle's account of what counts as an explanation in physics is an unrealisable ideal."

"The true value of the Christian religion rests, not upon speculative views of the Creator, which must necessarily be different in each individual, according to the extent of the knowledge of the finit…"

"Whatever we know about society, or indeed about the world in which we live, we know through the mass media. This is true not only of our knowledge of society but also of our knowledge of nature."

"Ireland still remains the Holy Isle whose aspirations must on no account be mixed with the profane class-struggles of the rest of the sinful world … the Irish peasant must not on any account know that…"

"Sane judgment abhors nothing so much as a picture perpetrated with no technical knowledge, although with plenty of care and diligence. Now the sole reason why painters of this sort are not aware of th…"