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

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.

Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.

There are no impossible obstacles; there are just stronger and weaker wills, that’s all!

Anything one man can imagine, other men can make real.

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

How many things have been denied one day, only to become realities the next!

The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.

Anything you can imagine you can make real.

All that is impossible remains to be accomplished.

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

[Technology] has taught us how to become gods before we have learned to be men.

I am only a child yet I know if all money spent on war was spent on finding environmental answers, ending poverty, and binding treaties, what a wonderful place this Earth would be.

One of the things I love best about [my] 'Kind Diet' is that you will actually become part of the solution to our global problems.

Trying to determine what is going on in the world by reading newspapers is like trying to tell the time by watching the second hand of a clock.

We must respect the atmosphere which surrounds the human being

The ability to make love frivolously is the chief characteristic which distinguishes human beings from the beasts.

Prayer is not adult letters written to Santa Claus, and God is not some parent-like figure up in the sky who's going to take care of us.

My life, since I was 12-years-old, has revolved around some sort of sport, mainly cycling, so when I'm unable to ride my bike I just don't know what to do with myself.

Cherish your wilderness.

I don't need any nicknames.