In one of the most brilliant papers in the English language [David] Hume made it clear that what we speak of as 'causality' is nothing more than the phenomenon of repetition. When we mix sulphur with saltpeter and charcoal we always get gunpowder. This is true of every event subsumed by a causal law - in other words, everything which can be called scientific knowledge. 'It is custom which rules,' Hume said, and in that one sentence undermined both science and philosophy.

Don't try to solve serious matters in the middle of the night.

I, for one, bet on science as helping us. I have yet to see how it fundamentally endangers us, even with the H-bomb lurking about. Science has given us more li…

One long-past innocent day, in my prefolly youth, I came upon a statement in an undistinguished textbook on psychiatry that, as when Kant read Hume, woke me fo…

Without books, God is silent, justice dormant, natural science at a stand, philosophy lame, letters dumb, and all things involved in darkness.

Philosophy is based on speculation, on logic, on thought, on the synthesis of what we know and on the analysis of what we do not know. Philosophy must include …

I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then …