Thanks to European integration the peace and prosperity prevailed on our continent. Benefits of integration are much bigger than its cons – said Thijs van der Plas, Deputy Minister for European Affairs at the Dutch Ministry of Foreign Affairs, during the “European Integration pros and cons” conference. The heading lecture was given by prof. Ryszard Legutko. It was followed by the discussion. The Center for International Relations participated in the meeting at the invitation of the organizer, the Lech Kaczyński National School of Public Administration.