Editorial: 'In times of division, we must remember mistakes of past'
The Abbé de Saint-Pierre was credited with coming up with the first international peace plan - an association of all the states of Europe to maintain perpetual peace among themselves. He discussed it in a letter to Jean-Jacques Rousseau, who sagely asked: "Is this association practicable, and supposing that it were established, would it be likely to last?"
The question still resonates poignantly. Perhaps more so this weekend, as the centenary of the 'Great War' is marked.
Michel Barnier could hardly have chosen a better moment to issue a passionate appeal to Europe's centre-right politicians to stand up to populism.