The wind of revolutions is not tractable.

It is not enough to be happy, one must be content.

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.

The delight we inspire in others has this enchanting peculiarity that, far from being diminished like every other reflection, it returns to us more radiant than ever.

Let us say it now: to be blind and to be loved, is indeed, upon this earth where nothing is complete, one of the most strangely exquisite forms of happiness.

There is a material advancement; we desire it. There is, also, a moral grandeur; we hold fast to it.

Everything bows to success, even grammar.