For me, and I suspect for lots of other people too, bad things actually sometimes make you think more about faith and the fact that you're not facing these things on your own.
What Churchill described as the twin marauders of war and tyranny have been almost entirely banished from our continent. Today, hundreds of millions dwell in freedom, from the Baltic to the Adriatic, from the Western Approaches to the Aegean.
Today, hundreds of millions dwell in freedom, from the Baltic to the Adriatic, from the Western Approaches to the Aegean. And while we must never take this for granted, the first purpose of the European Union - to secure peace - has been achieved and we should pay tribute to all those in the EU, alongside Nato, who made that happen.
I don't just want a better deal for Britain. I want a better deal for Europe too. So I speak as British prime minister with a positive vision for the future of the European Union. A future in which Britain wants, and should want, to play a committed and active part.
After the Berlin Wall came down I visited that city and I will never forget it. The abandoned checkpoints. The sense of excitement about the future. The knowledge that a great continent was coming together. Healing those wounds of our history is the central story of the European Union.
I think it true that, you know, sometimes things start to change even before a government changes and, actually, I think you can begin to see even the Labour machine beginning to understand that it has become over-reliant on targets and processes, that local governments have been over-bossed and bullied.
After the Berlin Wall came down I visited that city and I will never forget it. The abandoned checkpoints. The sense of excitement about the future. The knowledge that a great continent was coming together. Healing those wounds of our history is the central story of the European Union.
From Caesar's legions to the Napoleonic wars. From the Reformation, the Enlightenment and the industrial revolution to the defeat of nazism. We have helped to write European history, and Europe has helped write ours.
The biggest danger to the European Union comes not from those who advocate change, but from those who denounce new thinking as heresy. In its long history Europe has experience of heretics who turned out to have a point.
Half a century ago, the amazing courage of Rosa Parks, the visionary leadership of Martin Luther King, and the inspirational actions of the civil rights movement led politicians to write equality into the law and make real the promise of America for all her citizens.