The cold, increased by the tremendous speed, deprived them of the power of speech.

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.

He who is mistaken in an action which he sincerely believes to be right may be an enemy, but retains our esteem.

A true Englishman doesn't joke when he is talking about so serious a thing as a wager.

Nothing can astound an American. It has often been asserted that the word "impossible" is not a French one. People have evidently been deceived by the dictionary. In America, all is easy, all is simple; and as for mechanical difficulties, they are overcome before they arise.

Nature's creative power is far beyond man's instinct of destruction.

Man is so constituted that health is a purely negative state. Hunger once satisfied, it is difficult for a man to imagine the horrors of starvation; they cannot be understood without being felt.