“Law; an ordinance of reason for the common good, made by him who has care of the community.”

“Law is nothing other than a certain ordinance of reason for the common good, promulgated by the person who has the care of the community.”

“All the efforts of the human mind cannot exhaust the essence of a single fly.”

“For loving draws us more to things than knowing does, since good is found by going to the thing, whereas the true is found when the thing comes to us.”

“Better to illuminate than merely to shine.”

“Nature is a rag-merchant, who works up every shred and ort and end into new creations; like a good chemist, whom I found, the other day, in his laboratory, converting his old shirts into pure white sugar.”

“All things are flowing, even those that seem immovable. The adamant is always passing into smoke. The plants imbibe the materialswhich they want from the air and the ground. They burn, that is, exhale and decompose their own bodies into the air and earth again. The animal burns, or undergoes the like perpetual consumption. The earth burns, the mountains burn and decompose, slower, but incessantly.”

“The earth, that is nature's mother, is her tomb.”