 Complete the following phrase:  Ralea went on to attend the University of Bucharest Faculty of Letters and Philosophy, under Constantin Rădulescu-Motru who shortlisted and prepared Ralea for academic tenure. He made his debut in publishing during 1916, with an essay in Rădulescu-Motrus Revista de Filozofie, and with Convorbiri Literare articles that he usually signed with the initials M. R. an alternative signature he would use for the rest of his career. Ralea was university colleagues with philosophers Tudor Vianu and Nicolae Bagdasar, with whom he remained close friends for the rest of his life. Their studies were interrupted by the 