His vivid intuition of his own self-consciousness formed a standing type of seemingly absolute immediate knowledge, to which he stubbornly clung.

When the optimism of the "Head" was discredited, passion-fraught instinct, under the name of the Heart, came to the rescue, and valiantly restored its authority.

On the other hand, a variety of subtle attractions drew him on to give "illusion" a wider and wider scope.

Sheer joy in battle had no small share.

The immortal and infinite soul, projected among the shows of sense, could not be expected to do its part worthily if it saw through them: it had to believe its enemies real enemies, and its warfare a rational warfare; it had to accept time and place, and good and evil, as the things they seem.