The colonists had no library at their disposal; but the engineer was a book which was always at hand, always open at the page which one wanted, a book which answered all their questions, and which they often consulted.

The wisest man may be a blind father.

I see that it is by no means useless to travel, if a man wants to see something new

Liberty is worth paying for.

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

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 capable of being imagined will one day be made reality.