It must be, for there is a logic to everything on this earth and nothing is done without a reason, that God sometimes lets scientists discover.

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.

We may brave human laws, but we cannot resist natural ones.

The Great Architect of the universe built it of good firm stuff.

I looked on, I thought, I reflected, I admired, in a state of stupefaction not altogether unmingled with fear!

So is man's heart. The desire to perform a work which will endure, which will survive him, is the origin of his superiority over all other living creatures here below. It is this which has established his dominion, and this it is which justifies it, over all the world.

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.