Manhattan... capital of the 20th century, a city that has fascinated me for more than three decades.

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

Neither love without knowledge nor knowledge without love can produce a good life.

The prayer that is faithless is fruitless.

Five or six hundred heads cut off would have assured your repose, freedom and happiness.

Hell is out of fashion --institutional hells at any rate. The populated infernos of the 20th century are more private affairs, the gaps between the bars are the sutures of one's own skull. . .

The men who succeed best in public life are those who take the risk of standing by their own convictions.

When God calls you to an extraordinary task, He provides extraordinary resources.

I've grown up a lot, I've experienced a lot, I'm in love, I'm super happy with who I am and comfortable in my own skin and that's definitely gonna be portrayed in the music and in the lyrics.

If everything is going very well in your life, don't change any parameters; don't even think about it!

Dogs are angels sent from heaven in order to help us to be better people.

Inform yourself, inform your children, talk to your friends! And let's try to make a better, stonier world than the one we inherited!