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
I cannot afford to waste my time making money.
The study of Nature is intercourse with the Highest Mind. You should never trifle with Nature.
The time has come when scientific truth must cease to be the property of the fewwhen it must be woven into the common life of the world.
Facts are stupid until brought into connection with some general law.