Nothing can be sadder or more profound than to see a thousand things for the first and last time. To journey is to be born and die each minute...All the elements of life are in constant flight from us, with darkness and clarity intermingled, the vision and the eclipse; we look and hasten, reaching out our hands to clutch; every happening is a bend in the road...and suddenly we have grown old. We have a sense of shock and gathering darkness; ahead is a black doorway; the life that bore us is a flagging horse, and a veiled stranger is waiting in the shadows to unharness us.

Because a fact seems strange to you, you conclude that it is not one. ... All science, however, commences by being strange. Science is successive. It goes from one wonder to another. It mounts by a ladder. The science of to-day would seem extravagant to the science of a former time. Ptolemy would believe Newton mad.

Though one believes in nothing, there are moments in life when one accepts the religion of the temple nearest at hand.

One can no more keep the mind from returning to an idea than the sea from returning to a shore. For a sailor, this is called the tide; in the case of the guilty it is called remorse. God stirs up the soul as well as the ocean.

There is one spectacle grander than the sea, That is the sky.

A fall from such a height is rarely straight downwards.

The most ferocious animals are disarmed by caresses to their young.