 In 1938 ill health forced him to go back to Belgium, where he nevertheless founded an "Indian Juniorate" which, until 1955, would train young Jesuits for work in Bengal.A pioneer in promoting a new approach to Hindu Spirituality and Theology which he popularized through his Review "Light of the East" he prepared the radical change of outlook towards Eastern non-Christian religions that ultimately found its way into the Vatican II declaration "Nostra aetate" (on non-Christian Religions).Inspired by the writings of Brahmabandhab Upadhyay (1861–1907), Johanns found in Shankara, the great Hindu Philosopher of the 9th century, spiritual and theological paths leading to Christ.