“Everything great in science and art is simple. What can be less complicated than the greatest discoveries of humanity - gravitation, the compass, the printing press, the steam engine, the electric telegraph?”

“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.”

“In the meantime, there is not an hour to lose. I am about to visit the public library.”

“The Nautilus was piercing the water with its sharp spur, after having accomplished nearly ten thousand leagues in three months and a half, a distance greater than the great circle of the earth. Where were we going now, and what was reserved for the future?”

“Liberty is worth paying for.”

“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.”

“In consequence of inventing machines, men will be devoured by them.”

“I seriously believed that my last hour was approaching, and yet, so strange is imagination, all I thought of was some childish hypothesis or other. In such circumstances, you do not choose your own thoughts. They overcome you.”

“The Chinaman has only a passive courage, but this courage he possesses in the highest degree. His indifference to death is truly extraordinary. When he is ill, he sees it approach, and does not falter. When condemned, and already in the hands of an officer, he manifests no fear.”

“What is there unreasonable in admitting the intervention of a supernatural power in the most ordinary circumstances of life?”

“The industrial stomach cannot live without coal industry is a carbonivorous animal and must have its proper food.”