Just as primitive man believed himself to stand face to face with demons and believed that could he but know their names he would become their master, so is contemporary man faced by this incomprehensible, which disorders his calculations.

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

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.

Philosophy can only be approached with the most concrete comprehension.

Only then, approaching my fortieth birthday, I made philosophy my life's work.

Philosophic meditation is an accomplishment by which I attain Being and my own self, not impartial thinking which studies a subject with indifference.

Conflicts may be the sources of defeat, lost life and a limitation of our potentiality but they may also lead to greater depth of living and the birth of more far-reaching unities, which flourish in the tensions that engender them.