Who said "Nature teaches us the ways of existence."?

This quote is attributed to Avicenna.

Nature teaches us the ways of existence. - Avicenna

"Nature teaches us the ways of existence."

Avicenna Nature

Philosopher-Physician Persian 980–1037

"Knowledge is power."

"The human body is like a machine, and the mind is its engine."

"Healing is a matter of time, but it is sometimes also a matter of opportunity."

"The proof of truth is that it can endure."

"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."