Who then understands the reciprocal flux and reflux of the infinitely great and the infinitely small, the echoing of causes in the abysses of being, and the avalanches of creation?

It may be remarked in passing that success is an ugly thing. Men are deceived by its false resemblences to merit.

I believe, sir, in all the progress. Air navigation is the result of the oceanic navigation: from water the human has to pass in the air. Everywhere where creation will be breathable to him, the human will penetrate into the creation. Our only limit is life.

This book should be read as one would read the book of a dead man.

To rescue from oblivion even a fragment of a language which men have used and which is in danger of being lost -that is to say, one of the elements, whether good or bad, which have shaped and complicated civilization -is to extend the scope of social observation and to serve civilization.

There are many tongues to talk, and but few heads to think.

It is the peculiarity of grief to bring out the childish side of man.