63 Ecumenical contacts have thus made possible essential clarifications with regard to the traditional controversies concerning Christology, so much so that we have been able to profess together the faith which we have in common. Once again it must be said that this important achievement is truly a fruit of theological investigation and fraternal dialogue. And not only this. It is an encouragement for us: for it shows us that the path followed is the right one and that we can reasonably hope to discover together the solution to other disputed questions.
Source: Ut Unum Sint (Vatican.va)