[Lecture given at the University of Sorbonne in Paris, on November 27, 1999]
[from the Epilogue of The Phenomenon of Man, London 1959]
[Sermon preached at the University of Oxford, on January 13, 1839]
[from the Conclusions of the Lectures delivered in Rome and published in New York in 1837]
[From Penseés, nn. 194-195 (334-335)]