Anything capable of being imagined will one day be made reality.

Wherever he saw a hole he always wanted to know the depth of it. To him this was important.

Civilization never recedes; the law of necessity ever forces it onwards.

How tranquil is a coral tomb, and may the heavens grant that my companions and I be buried in no other!

There is no more sagacious animal than the Icelandic horse. He is stopped by neither snow, nor storm, nor impassable roads, nor rocks, glaciers, or anything. He is courageous, sober, and surefooted. He never makes a false step, never shies. If there is a river or fjord to cross (and we shall meet with many) you will see him plunge in at once, just as if he were amphibious, and gain the opposite bank.

I believe that water will one day be employed as fuel, that hydrogen and oxygen which constitute it, used singly or together, will furnish an inexhaustible source of heat and light, of an intensity of which coal is not capable.

Captain Nemo pointed to this prodigious heap of shellfish, and I saw that these mines were genuinely inexhaustible, since nature's creative powers are greater than man's destructive instincts.