Nationalism makes us poor because its Siamese twin, protectionism, will destroy the internal market and disrupt international trade.
Is wellbeing only economic growth? Only salaries? Or is wellbeing also being able to breathe clean air and drink clean water?
I am a huge fan of the Premier League, but do you think it will maintain its attractiveness if the Champions League is only an affair between English clubs and one or two others?
If nationalism makes us poor, weak, and morally insecure, how can it claim to be patriotic? I maintain that nationalists are unpatriotic.
What is the issue that has brought the European Union to the brink? The issue of migration.
Protectionism has never been an answer, will never be an answer. We need trade. We need trade agreements worldwide.
Is it not in human nature sometimes, based on the facts that you now know, to reconsider?
If Europe does not understand that our sister continent, Africa, a stone's throw away, is going to face a demographic explosion, if there is no real economic and political restructuring, if we do not understand we have a collective responsibility for Africa, there is not a fence high enough to stop people coming to Europe.
Nationalism is like alcoholism: a short period of exaltation followed by a long period of headaches.
I think we have a political and moral duty to do everything within our power to maintain the Good Friday Agreement.
If the law does not give you what you want, you can oppose the law, you can work to change the law, but you cannot ignore the law. So it is fundamental that the constitutions of every one of our member states are upheld and respected.
Plastic waste is undeniably a big issue, and Europeans need to act together to tackle this problem because plastic waste ends up in our air, our soil, our oceans, and in our food.
The absolute low point for me in more than 30 years of professional life was the Brexit vote.
This is the game of those who deny climate change or who deny the need for sustainability. They say, 'They are going to take everything away from us. They are going to take our cars away from us. They are going to take our steaks from us. They are going to take all the things that make life nice away from us. So let's not go there.'
Britain can get far better results if it engages with Europe than standing on the sidelines and saying that Europe should change.
Responsible politicians should never indulge in nostalgia - it is too much of a distraction at a time when a rapidly changing world throws up so many challenges, when we need to keep our wits about us.
We need to be able to answer not yesterday's challenges but to tomorrow's challenges.
I'm from Limburg, near the German border.
I find it unspeakably sad that the United Kingdom has voted to leave the European Union.
The German car industry has a clear vision of the necessity of stability in the continent that goes beyond selling cars. For Germany, the economy is an instrument in a much wider issue of stability in continental Europe and overcoming the mistakes of the past.
