Avicenna Quotes
That whose existence is necessary must necessarily be one essence.
Avicenna. Avicenna on Theology. Translated by Arthur J. Arberry, John Murray, 1951, p. 25.
The original was in German. Spinoza was a Dutch Philosopher who originated this abstract notion of a universal God. This was one of the reasons fro his excommunication. Spinoza’s ideas were considered so radical and dangerous that he was the only man in history who was excommunicated by the Catholics, the Jews and the Muslims.
Ibn Sina, also known as Abu Ali Sina, Pur Sina, and often known in the West as Avicenna, was a Persian polymath who is regarded as one of the most significant physicians, astronomers, thinkers and writers of the Islamic Golden Age, and the father of early modern medicine. Sajjad H. Rizvi has called Avicenna "arguably the most influential philosopher of the pre-modern era". He was a Muslim Peripatetic philosopher influenced by Greek Aristotelian philosophy. Of the 450 works he is believed to have written, around 240 have survived, including 150 on philosophy and 40 on medicine.