For that reason, we must do all we can to ensure that the economic foundation is and remains sustainable, -  from compliance with the convergence criteria, especially in the sense of sustainability,  -  to an adequate level of internal flexibility and innovativeness.
I hope that the decision which will be taken under the British presidency at the beginning of May will satisfy these requirements. Then, but only then, can the D-Mark - which by then will have celebrated its 50th anniversary - safely give way to a lastingly stable euro.