"The astonishing resonance of his research, as well as the brilliance of his personality and richness of his thinking, have profoundly marked our epoch. In him, a powerful poetic intuition of nature's profound value, a sharp perception of creation's dynanism, and a broad vision of the world's future join together with an incontestable religious fervor. Similarly, his unremitting desire to dialogue with the science of his time and his bold optimism about the evolution of the world have given his intuitions — through the rich variety of his words and the magic of his images — considerable influence. Completely turned to the future, this synthesis, often lyrical and animated with passion for the universal, will help to restore hope to those assailed by doubts. ... What our contemporaries will undoubtedly remember, beyond the difficulties of conception and deficiencies of expression in this audacious attempt to reach a synthesis, is the testimomy of the coherent life of a man possessed by Christ in the depths of his soul. He was concerned with honoring both faith and reason, and anticipated the response to John Paul II's appeal: "Be not afraid, open, open wide to Christ the doors of the immense domains of culture, civilization, and progress.""