It is surely one of the curious paradoxes of history that science which professionally has little to do with faith, owes its origins to an act of faith that the universe can be rationally interpreted, and that science today is sustained by that assumption.

Animals are molded by natural forces they do not comprehend. To their minds there is no past and no future. There is only the everlasting present of a single generation, its trails in the forest, its hidden pathways in the the air and in the sea. There is nothing in the Universe more alone than Man. He has entered into the strange world of history.

In the days of the frost seek an minor sun.

It is a commonplace of all religious thought, even the most primitive, that the man seeking visions and insight must go apart from his fellows and love for a time in the wilderness.

Of all the unexpected qualities of an unexpected universe, the sheer organizing power of animal and plant metabolism is one of the most remarkable. . . . Where it reaches its highest development, in the human mind, we forget it completely. . . . So important does nature regard this unseen combustion . . . that a starving man's brain will be protected to the last while his body is steadily consumed.

It has been asserted that we are destined to know the dark beyond the stars before we comprehend the nature of our own journey.

As we passed under a streetlamp I noticed, beside my own bobbing shadow, another great, leaping grotesquerie that had an uncanny suggestion of the frog world about it . . . judging from the shadow, it was soaring higher and more gaily than myself. 'Very well,' you will say, 'Why didn’t you turn around. That would be the scientific thing to do.' But let me tell you it is not done ― not on an empty road at midnight.