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.

The ignorant man is not free, because what confronts him is an alien world, something outside him and in the offing, on which he depends, without his having made this foreign world for himself and therefore without being at home in it by himself as in something his own. The impulse of curiosity, the pressure for knowledge, from the lowest level up to the highest rung of philosophical insight arises only from the struggle to cancel this situation of unfreedom and to make the world one's own in one's ideas and thought.

Philosophy is the history of philosophy.

What experience and history teach is this - that nations and governments have never learned anything from history, or acted on any lessons they might have drawn from it. Variant: What experience and history teach is this - that people and governments never have learned anything from history, or acted on principles deduced from it.

The evident character of this defective cognition of which mathematics is proud, and on which it plumes itself before philosophy, rests solely on the poverty of its purpose and the defectiveness of its stuff, and is therefore of a kind that philosophy must spurn

Consequently, the sensuous aspect of art is related only to the two theoretical sensesof sight and hearing, while smell, taste, and touch remain excluded.

Since philosophy is the exploration of the rational, it is for that very reason the apprehension of the present and the actual, not the erection of a beyond, supposed to exist, God knows where, or rather which exists, and we can perfectly well say where, namely in the error of a one-sided, empty, ratiocination.