The greatest benefit derived from the study of science is that it lifts you out of and above the littleness of daily trials. We learn to live in the universe as a part of it; we cannot seperate ourselves from it - our every act connects us with it - our every act affects the whole. Standing under the canopy of stars and remembering their presence you could scarcely do a petty deed, or think a wicked thought.

The world of learning is so broad, and the human soul is so limited in power!

There is something of the same pleasure in noticing the hues of the stars that there is in looking at a flower garden in autumn.

Every formula which expresses a law of nature is a hymn of praise to God.

I had only ordinary capacity but extraordinary persistency.

Altogether, St. Louis is a growing place, and the West has a large hand and a strong grasp.

I am just learning to notice the different colors of the stars, and already begin to have a new enjoyment.