My external sensations are no less private to my self than are my thoughts or my feelings. In either case my experience falls within my own circle, a circle closed on the outside... the whole world for each is peculiar and private to that soul.

There are persons who, when they cease to shock us, cease to interest us.

The Self has turned out to mean so many things, to mean them so ambiguously, and to be so wavering in its application, that we do not feel encouraged.

The deadliest foe to virtue would be complete self-knowledge.

Another occupation might have been better.

Eclecticism. Every truth is so true that any truth must be false.

Metaphysics is the finding of bad reasons for what we believe on instinct.