If a man never contradicts himself, the reason must be that he virtually never says anything at all.

Science cannot tell us a word about why music delights us, of why and how an old song can move us to tears.

If you cannot - in the long run - tell everyone what you have been doing, your doing has been worthless.

I know not whence I came, nor whither I go, nor who I am.

The great revelation of the quantum theory was that features of discreteness were discovered in the Book of Nature, in a context in which anything other than continuity seemed to be absurd according to the views held until then.

The unphilosophical and philosophical attitudes can be very sharply distinguished (with scarcely any intermediate forms) by the fact that the first accepts everything that happens as regards its general form, and finds occasion for surprise only in that special content by which something that happens here today differs from what happened there yesterday; whereas for the second, it is precisely the common features of all experience, such as characterise everything we encounter, which are the primary and most profound occasion for astonishment.

Matter and energy seem granular in structure, and so does “life”, but not so mind.