Ibn al-Nafis

Biology Arab 1213 – 1288 385 quotes

A physician who was the first to accurately describe the pulmonary circulation of blood, challenging Galen's long-held theories.

Quotes by Ibn al-Nafis

We must challenge established wisdom when our own eyes and intellect tell us otherwise.

Debate with traditionalists

The heart is the engine of life, and its mechanics must be precisely understood.

General medical discourse

My findings are based on careful anatomical study, not on philosophical speculation.

Commentary on Anatomy in Avicenna's Canon 1242

The arteries carry blood, not air, as some have mistakenly believed.

General medical discourse

The veins carry blood to the heart, and the arteries carry it away.

General medical discourse

The human body is a marvel of divine creation, and its intricacies deserve our deepest study.

Inaugural address to medical students

Let us not be afraid to question what has been accepted for centuries.

Debate with traditionalists

The pursuit of knowledge is a sacred duty, especially in the art of healing.

Acceptance speech for a medical honor

My aim is to correct errors and advance the understanding of the human form.

Commentary on Anatomy in Avicenna's Canon 1242

The liver does not produce blood; it is the heart that drives its circulation.

General medical discourse

To heal the sick, we must first understand the healthy.

General medical discourse

The truth, however inconvenient, must always prevail in science.

Debate with traditionalists

I present these findings not out of arrogance, but out of a commitment to truth.

Commentary on Anatomy in Avicenna's Canon 1242

The journey of discovery is long, but the rewards are immeasurable.

Farewell remarks to students

Each generation must build upon the knowledge of the last, correcting its flaws.

General medical discourse

The intricate design of the body points to a singular, intelligent creator.

Public address on science and faith

My work is a humble contribution to the vast ocean of human knowledge.

Acceptance speech for a medical honor

Let your hands be guided by knowledge, and your hearts by compassion.

Inaugural address to medical students

The path to understanding is paved with diligent study and critical thinking.

Lecture to medical students

Do not accept dogma without scrutiny; verify all claims with your own reason.

Debate with traditionalists