In spite of the opinions of certain narrow-minded people who would shut up the human race upon this globe, we shall one day travel to the Moon, the planets, and the stars with the same facility, rapidity and certainty as we now make the ocean voyage from Liverpool to New York.

At Kiel, as elsewhere, a day goes by somehow or other.

On the morrow the horizon was covered with clouds- a thick and impenetrable curtain between earth and sky, which unhappily extended as far as the Rocky Mountains. It was a fatality!

[we see that] science is eminently perfectible, and that each theory has constantly to give way to a fresh one.

I believe cats to be spirits come to earth.

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

What use are the best of arguments when they can be destroyed by force?