William Harvey

"What we call progress is merely the triumph of evidence over opinion."

"Every system in nature has a circulation, a flow, a purpose."

"The future belongs to those who question yesterday's certainties."

"In the body's mechanics, we see the mind of creation."

"Observation sharpened by reason is the scalpel of truth."

"The heart does not think; it knows, and we must listen."

"To deny evidence is to deny reality itself."

"Nature wastes nothing; everything serves its purpose."

"In the circulation of life, no moment is repeated."

"The physician's first duty is to the truth, not to comfort."

"Understanding begins where certainty ends."

"Life is not a mystery to be pondered, but a mechanism to be understood."

"The body's secrets yield only to patient investigation."

"In every heartbeat is the echo of creation."

"To advance, we must be willing to be wrong."

"Nature reveals itself to those who look without preconception."

"The motion of blood is the motion of justice through the body."

"Evidence is the only currency of truth."

"In studying function, we discover meaning."

"The body is proof that the universe speaks sense."

"Healing is the restoration of proper motion."

"What ancient authority forbade, modern courage permits."

"The heart's work is never finished, nor should inquiry ever cease."

"In the smallest vein lies the architecture of all life."

"Wisdom is knowing what you cannot yet understand."

"Progress requires both vision and evidence."

"The physician who fears the truth fears his own patients."

"In motion, we see the hand of nature at work."

"The body's logic is clearer than any philosophy."

"To question is to honor both nature and reason."