Perversity is the human thirst for self-torture.

The mental features discoursed of as the analytical, are, in themselves, but little susceptible of analysis. We appreciate them only in their effects. We know of them, among other things, that they are always to their possessor, when inordinately possessed, a source of the liveliest enjoyment.

Imperceptibly the love of these discords grew upon me as my love of music grew stronger.

I have not only labored solely for the benefit of others (receiving for myself a miserable pittance), but have been forced to model my thoughts at the will of men whose imbecility was evident to all but themselves

It may be roundly asserted that human ingenuity cannot concoct a cipher which human ingenuity cannot resolve.

The usual derivation of the word Metaphysics is not to be sustainedthe science is supposed to take its name from its superiority to physics. The truth is, that Aristotle's treatise on Morals is next in succession to his Book of Physics.

Deep in earth my love is lying And I must weep alone.