All parts of knowledge have their origin in metaphysics, and finally, perhaps, revolve into it.

No progressive knowledge will ever medicine that dread misgiving of a mysterious and pathless power given to words of a certain import.

The burden of the incommunicable.

Enough if every age produce two or three critics of this esoteric class, with here and there a reader to understand them.

As is the inventor of murder, and the father of art, Cain must have been a man of first-rate genius.

Thou hast the keys of Paradise, oh, just, subtle, and mighty opium!

No man will ever unfold the capacities of his own intellect who does not at least checker his life with solitude.