External objects produce decided effects upon the brain. A man shut up between four walls soon loses the power to associate words and ideas together. How many prisoners in solitary confinement become idiots, if not mad, for want of exercise for the thinking faculty!

Yes, I could see these enormous elephants, whose trunks were tearing down large boughs, and working in and out the trees like a legion of serpents. I could hear the sounds of the mighty tusks uprooting huge trees!

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.

Trains, like time and tide, stop for no one.

Though sleep is called our best friend, it is a friend who often keeps us waiting!

You will travel in a Land of Marvels

It is certain," exclaimed my uncle in a tone of triumph. "But silence, do you hear me? silence upon the whole subject; and let no one get before us in this design of discovering the centre of the earth.