After September 11, the European governments have completely failed. They are incapable of seeing beyond their own national scope of interests.

From a moral point of view, there is no excuse for terrorist acts, regardless of the motive or the situation under which they are carried out.

The only knowledge that can truly orient action is knowledge that frees itself from mere human interests and is based in Ideas - in other words knowledge that has taken a theoretical attitude.

Global terrorism is extreme both in its lack of realistic goals and in its cynical exploitation of the vulnerability of complex systems.

The task of universal pragmatics is to identify and reconstruct universal conditions of possible mutual understanding.

The speaker must choose a comprehensible expression so that speaker and hearer can understand one another.

Each murder is one too many.

Reaching and understanding is the process of bringing about an agreement on the presupposed basis of validity claims that are mutually recognized.

One never really knows who one's enemy is.

I shall develop the thesis that anyone acting communicatively must, in performing any speech act, raise universal validity claims and suppose that they can be vindicated.

Today's Islamic fundamentalism is also a cover for political motifs. We should not overlook the political motifs we encounter in forms of religious fanaticism

I work hard, I work very hard. All the books at least 30 revisions.

Time can be strange sometimes. It can leave imprints in particular places, leaving ghosts of memories trapped.

I have this recurring nightmare where I'm lost in a strange forest, and my only hope is your sense of direction. Enough to give a fellow the sweats, it is.

Look at the sky. Ask yourselves: Has the sheep eaten the flower, yes or no? And you will see how everything changes.

I love going to work.

The essence of Chess is thinking about what Chess is.

I was an economics major in college, and every summer after school, I would drive my car from California, from Claremont men's college at the time, to New York. And I worked on Wall Street.

The movement of the emitters of the spectral lines may be deduced on the basis of the Doppler principle.

I don't look for people who have achieved great things; I look for people who will achieve great things.

Morality, like physical cleanliness, is not acquired once and for all: it can only be kept and renewed by a habit of constant watchfulness and discipline.