There is such a thing as a narrow universality; there is such a thing as a small and cramped eternity; you may see it in many modern religions.

Now, speaking quite externally and empirically, we may say that the strongest and most unmistakable _mark_ of madness is this combination between a logical completeness and a spiritual contraction.

The lunatic's theory explains a large number of things, but it does not explain them in a large way.

I mean that if you or I were dealing with a mind that was growing morbid, we should be chiefly concerned not so much to give it arguments as to give it air, to convince it that there was something cleaner and cooler outside the suffocation of a single argument.

Suppose, for instance, it were the first case that I took as typical; suppose it were the case of a man who accused everybody of conspiring against him.