Who said "Silent gratitude isn't much use to anyone."?

This quote is attributed to Louis Pasteur.

Silent gratitude isn't much use to anyone. - Louis Pasteur

"Silent gratitude isn't much use to anyone."

Louis Pasteur Gratitude

Chemist and Microbiologist French 1822–1895

"Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world."

"Life is the loom on which fate weaves."

"The greatest derangement of the mind is to believe things because one wishes them to be so."

"Chance favors the prepared mind."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"