Who said "To work without understanding is to labor in darkness."?

This quote is attributed to Joseph Gay-Lussac.

To work without understanding is to labor in darkness. - Joseph Gay-Lussac

"To work without understanding is to labor in darkness."

Joseph Gay-Lussac Work

Chemist and Physicist French 1778–1850

"The laws of nature are the thoughts of God."

"In science, there is only physics; all the rest is stamp collecting."

"The future belongs to those who believe in the beauty of their dreams."

"Knowledge is power, but enthusiasm pulls the switch."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."