The earth does not need new continents, but new men.

It is a great misfortune to be alone, my friends; and it must be believed that solitude can quickly destroy reason.

I wanted to see what no one had yet observed, even if I had to pay for this curiosity with my life.

Travel enables us to enrich our lives with new experiences, to enjoy and to be educated, to learn respect for foreign cultures, to establish friendships, and above all to contribute to international cooperation and peace throughout the world.

We may brave human laws, but we cannot resist natural ones.

He believed in it, as certain good women believe in the leviathan-by faith, not by reason.

We were alone. Where, I could not say, hardly imagine. All was black, and such a dense black that, after some minutes, my eyes had not been able to discern even the faintest glimmer.