Who said "Nature has made nothing without a purpose."?

This quote is attributed to Denis Diderot.

Nature has made nothing without a purpose. - Denis Diderot

"Nature has made nothing without a purpose."

Denis Diderot Nature

Philosopher Writer French 1713–1784

"The world is for those who think."

"Man will never be free until the last king is strangled with the entrails of the last priest."

"Nothing can be believed unless it is seen."

"I am convinced the mind can be developed to the point where success is inevitable."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."