” “”It is for me a moving occasion to be once again on the university chair and once again be able to give a lecture”: with the recollection of the teaching job he held at the High School of Freising and afterwards from 1959 at the University of Bonn, Benedict XVI introduced this afternoon, in the Assembly hall of Regensburg university, his speech to the science community. The subject of his reflection, that drew an excursus of the relation between faith and reason over the centuries of Christianity and in relation to the Greek-Hellenistic philosophy, the mediaeval philosophy, the Reform, Kant’s metaphysics and the liberal theology of the XIX and XX centuries, the "sensibleness" of faith and at the same time the importance of "opening up to the vastness of reason" to find answers to man’s questions. "The West commented the Pope has been threatened for a long time" by an aversion "for the fundamental questions of his reason, and in this way he can only be severely damaged. The courage of opening up to the vastness of reason, not refusing its vastness this is the plan with which a theology inspired by a reflection on Biblical faith enters today’s disputation”.” “