If information ends up in the wrong hands, the lives of people very often are immediately at risk.
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.
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.
There are no automatic links between poverty and terrorism. Among millions of poor people in the world, only a few turn to terrorism.
Indiscriminate attacks on civilians ought, under all circumstances, to be illegal in war as in peacetime.
I have never come across a technology that doesn't change. This is inevitable. You have to adapt your systems as technology develops.
Europe has a long and tragic history of mostly domestic terrorism.
The European Borders Agency in Warsaw has been created to help border forces in Europe cooperate more.
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 intelligence work, there are limits to the amount of information one can share. Confidentiality is essential.
It's important that we work very closely with moderate Muslim forces locally, nationally and internationally.
The key to tackling Islamist fundamentalism and terrorism from the Islamist community is in the hands of moderate Muslims.
If you combat an international phenomenon, it is indispensable to share information internationally.
If you exchange information internationally, you must strengthen data protection. Those are two sides of the same coin.
Terrorists have failed to trigger mass conflict between Muslims and non-Muslims in Europe. We should draw strength from that fact.