Speech given by Robert Lecourt, President of the Court of Justice of the European Communities from 1967 to 1976, on the occasion of the inauguration ceremony of the new law court building on the Kirchberg Plateau, Luxembourg, held on 9 January 1973. Lecourt uses his analysis of the conditions of the building's contract of lease, concluded between Luxembourg and the Court of Justice, as an opportunity to explore the interior of the building and describe the works of art which can be found there.