Even scientific knowledge, if there is anything to it, is not a random observation of random objects; for the critical objectivity of significant knowledge is attained as a practice only philosophically in inner action.

My own being can be judged by the depths I reach in making these historical origins my own.

When language is used without true significance, it loses its purpose as a means of communication and becomes an end in itself.

What makes us afraid is our great freedom in the face of the emptiness that has still to be filled.

The soul of a landscape, the spirits of the elements, the genius of every place will be revealed to a loving view of nature.

Reason is like an open secret that can become known to anyone at any time; it is the quiet space into which everyone can enter through his own thought

The great philosophers and the great works are standards for the selection of what is essential. Everything that we do in studying the history of philosophy ultimately serves their better understanding.