But those words were not spoken with our current situation in mind. They were spoken by Jean Monnet in 1974. They illustrate that if his leadership has been so powerful, it is not just because of what he achieved in his lifetime: it is because Jean Monnet developed a method of government whose effectiveness extends beyond the special circumstances in which he lived.
I will concede that all these matters are not, strictly speaking, related to the euro; they would, very plausibly, have been on the agenda of European governments anyway. The euro, however, makes them more compelling, forcing European governments to speak to one another even more frequently and together to find creative solutions as soon as possible.