The Greek word for philosopher (philosophos) connotes a distinction from sophos. It signifies the lover of wisdom (knowledge) as distinguished from him who considers himself wise in the possession of knowledge. This meaning of the word still endures: the essence of philosophy is not the possession of the truth but the search for truth. ... Philosophy means to be on the way. Its questions are more essential than its answers, and every answer becomes a new question.

Only in those moments when I exercise my freedom am I fully myself.

Philosophy is tested and characterised by the way in which it appropriates its history.

We must learn to talk with each other, and we mutually must understand and accept one another in our extraordinary differences.

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

The moment is the sole reality.

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