Nasir al-Din al-Tusi
He developed the Tusi couple, a mathematical device that allowed for the generation of linear motion from circular motion, impacting later models.
Most quoted
"To be a true scholar, one must be willing to admit error, even if it means losing an argument to a younger, less experienced mind. A bitter pill, but necessary."
— from Attributed
"The apparent retrograde motion of the planets is not a true motion, but an illusion caused by the combination of their own motion and the Earth's motion."
— from Al-Tadhkira fi 'ilm al-hay'a (Memoir on Astronomy)
"To truly understand the heavens, one must first understand the limitations of the earthly mind. A task often more challenging than mapping the stars."
— from Attributed
All quotes by Nasir al-Din al-Tusi (433)
The human being is a microcosm of the universe, and by understanding ourselves, we can understand the cosmos.
The purpose of philosophy is to guide us towards a virtuous life.
The study of astronomy is not just for predicting the future, but for understanding the divine order of the universe.
The true scientist is one who is humble before the vastness of knowledge and always open to new discoveries.
To deny the evidence of the senses and reason is to deny the very means by which God has given us to know Him.
The pursuit of truth is a journey, not a destination.
The most dangerous ignorance is the belief that one knows everything.
A society that neglects science and reason is doomed to stagnation.
The beauty of the universe is a testament to the wisdom of its Creator.
The human mind is capable of comprehending the most complex ideas, if it is trained properly.
The purpose of education is to cultivate virtue and wisdom.
The best form of government is one that promotes justice and knowledge.
The true leader is one who serves the people, not one who rules over them.
The universe is a book, and those who do not read it are missing out on its profound lessons.
The greatest miracle is the order and harmony of the universe.
Doubt is the beginning of wisdom.
To understand the world, one must first understand oneself.
The human being has a responsibility to use their intellect to improve the world.
The universe is not static, but is constantly evolving.
The study of the heavens reveals the greatness of the Creator.