Quote by 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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"