Change is the only constant in the universe. - Avicenna

"Change is the only constant in the universe."

Avicenna Change

Philosopher-Physician Persian 980–1037

More from Avicenna

"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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."