The heart is everywhere, and each part of the organism is only the specialized force of the heart itself.

The heart-throb for the welfare of humanity therefore passes into the ravings of an insane self-conceit, into the fury of consciousness to preserve itself from destruction; and it does this by expelling from itself the perversion which it is itself, and by striving to look on it and express it as something else.

Quite generally, the familiar, just because it is familiar, is not cognitively understood. The commonest way in which we deceive either ourselves or others about understanding is by assuming something as familiar, and accepting it on that account; with all its pros and cons, such knowing never gets anywhere, and it knows not why.... The analysis of an idea, as it used to be carried out, was, in fact, nothing else than ridding it of the form in which it had become familiar.

Truth in philosophy means that concept and external reality correspond.

We learn from history that man can never learn anything from history.

Every idea, extended into infinity, becomes its own opposite.

Everybody allows that to know any other science you must have first studied it, and that you can only claim to express a judgment upon it in virtue of such knowledge. Everybody allows that to make a shoe you must have learned and practised the craft of the shoemaker, though every man has a model in his own foot, and possesses in his hands the natural endowments for the operations required. For philosophy alone, it seems to be imagined, such study, care, and application are not in the least requisite