The glacier was God's great plough . . . set at work ages ago to grind, furrow, and knead over, as it… — Louis Agassiz Copy Share Image
One naturally asks, what was the use of this great engine set at work ages ago to grind, furrow, and knead over,… — Louis Agassiz Copy Share Image
“May not subterraneous fire be considered as the great plough (if I may be allowed the expression) which Nature makes use of… — William Hamilton Copy Share Image
