Who said "Don't watch the clock; do what it does. Keep going."?

This quote is attributed to Joseph Gay-Lussac.

Don't watch the clock; do what it does. Keep going. - Joseph Gay-Lussac

"Don't watch the clock; do what it does. Keep going."

Joseph Gay-Lussac Perseverance

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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."