Louis Agassiz

The glacier was God's great plough . . . set at work ages ago to grind, furrow, and knead over, as it were, the surface of the earth?

Facts are stupid until brought into connection with some general law.

The time has come when scientific truth must cease to be the property of the few-when it must be woven into the common life of the world.

Every great scientific truth goes through three stages: First, people say it conflicts with the Bible. Next they say it had been discovered before. Lastly, they say they always believed it.

The study of Nature is intercourse with the Highest Mind. You should never trifle with Nature.

I cannot afford to waste my time making money.