In intelligence work, there are limits to the amount of information one can share. Confidentiality is essential.
In the fight against terrorism, national agencies keep full control over their police forces, security and intelligence agencies and judicial authorities.
I remain optimistic. What we've seen in Europe and the rest of the world is that freedom has a much stronger attraction than radical fundamentalism.
In situations of military conflict, civil strife, lawlessness, bad governance, and human rights violations, terrorists find it easier to hide, train and prepare their attacks.
If information ends up in the wrong hands, the lives of people very often are immediately at risk.
Terrorists have failed in what is arguably al Qaida's most important objective - to trigger revolutions.
Terrorists always have the advantage of surprise.
Police forces collect information to be used in a public court to get people convicted. Security services gather information that does not necessarily lead to people being prosecuted and in many cases needs to remain confidential.
It's important that we work very closely with moderate Muslim forces locally, nationally and internationally.
Ultimately, freedom and democracy are stronger than fear and tyranny.
Indiscriminate attacks on civilians ought, under all circumstances, to be illegal in war as in peacetime.
Look at Iraq; look at Afghanistan, where at great personal physical risk people have gone to the polls and have rejected the appeal from Bin Laden and his allies to stay at home.
The key to tackling Islamist fundamentalism and terrorism from the Islamist community is in the hands of moderate Muslims.
We still lack a global definition of terrorism.
We're still stymied by the old stand-off between those who wish to fight terrorism and resistance fighters.
Europe has a long and tragic history of mostly domestic terrorism.
We are familiar with terrorism. But indiscriminate, cross-border, religiously motivated terrorism is new.
We remain vulnerable. There is no such thing as 100 percent security against terrorism.
Terrorists have failed to trigger mass conflict between Muslims and non-Muslims in Europe. We should draw strength from that fact.
The European Borders Agency in Warsaw has been created to help border forces in Europe cooperate more.
