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.

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.

Modern man lives increasingly in the future and neglects the present.

Over the whole earth- this infinitely small globe that possesses all we know of sunshine and bird song- an unfamiliar blight is creeping: man- man, who has become at last a planetary disease and who would, if his technology yet permitted, pass this infection to another star.

As for men, those myriad little detached ponds with their own swarming corpuscular life, what were they but a way that water has of going about beyond the reach of rivers?

Without the gift of flowers and the infinite diversity of their fruits, man and bird, if they had continued to exist at all, would be today unrecognizable.

At the core of the universe, the face of God wears a smile