Virtue is reason which has become energy.

Religion must completely encircle the spirit of ethical man like his element, and this luminous chaos of divine thoughts and feelings is called enthusiasm.

There are three kinds of explanation in science: explanations which throw a light upon, or give a hint at a matter; explanations which do not explain anything; and explanations which obscure everything.

Duty is for Kant the One and All. Out of the duty of gratitude, he claims, one has to defend and esteem the ancients; and only out of duty has he become a great man.

The subject of history is the gradual realization of all that is practically necessary.

The life and vigor of poetry consists of the fact that it steps out of itself, tears out a section of religion, then withdraws into itself to assimilate it. The same is true of philosophy.

The poetry of this one is called philosophical, of that one philological, of a third rhetorical, and so on. Which is then the poetic poetry?