It is rash to intrude upon the piety of others: both the depth and the grace of it elude the stranger.

All living souls welcome whatsoever they are ready to cope with; all else they ignore, or pronounce to be monstrous and wrong, or deny to be possible.

By "essence" I understand a universal, of any degree of complexity and definition, which may be given immediately, whether to sense or to thought.... This object of pure sense or pure thought, with no belief superadded, an object inwardly complete and individual, but without external relations or physical status, is what I call an essence.

We are not compelled in naturalism, or even in materialism, to ignore immaterial things; the point is that any immaterial things which are recognized shall be regarded as names, aspects, functions, or concomitant products of those physical things among which action goes on.

The word experience is like a shrapnel shell, and bursts into a thousand meanings.

For an idea ever to be fashionable is ominous, since it must afterwards be always old fashioned

People are usually more firmly convinced that their opinions are precious than that they are true.