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.

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

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.

An ideology is a complex of ideas or notions which represents itself to the thinker as an absolute truth for the interpretation of the world and his situation within it; it leads the thinker to accomplish an act of self-deception for the purpose of justification, obfuscation and evasion in some sense or other to his advantage.

At the present moment, the security of coherent philosophy, which existed from Parmenides to Hegel, is lost.

Philosophy can only be approached with the most concrete comprehension.