Passage in Doctor Zhivago Written by Boris Pasternak

Now what is history? It is the centuries of systematic explorations of the riddle of death, with a view to overcoming  death. That's why people discover mathematical infinity and electromagnetic waves, that's why the qrithsymphonies. Now you can't advance in this direction without a certain faith. You can't make such discoveries without spiritual equipment. And the basic elements if this equipment are in the Gospels. What is the supreme form of vital energy. Once it fills the heart of man it has to overflow and spend itself. And then the two basic ideals of modern man- without them he is unthinkable-the idea of free personality and the idea of life as sacrifice.