The more certain our knowledge the less we know.

On the stage on which we are observing it, — Universal History — Spirit displays itself in its most concrete reality.

I have the courage to be mistaken.

For us, mind has nature for its premise, being nature's truth and for that reason its absolute prius. In this truth nature has vanished, and mind has resulted as the idea arrived at being-for-itself, the object of which, as well as the subject, is the concept. This identity is absolute negativity, for whereas in nature the concept has its perfect external objectivity, this its alienation has been superseded, and in this alienation the concept has become identical with itself. But it is this identity therefore, only in being a return out of nature.

Propounding peace and love without practical or institutional engagement is delusion, not virtue.

What is rational is actual and what is actual is rational. On this conviction the plain man like the philosopher takes his stand,and from it philosophy starts in its study of the universe of mind as well as the universe of nature.

In the case of various kinds of knowledge, we find that what in former days occupied the energies of men of mature mental ability sinks to the level of information, exercises, and even pastimes for children; and in this educational progress we can see the history of the world's culture delineated in faint outline.