Hey man, want to wax philosophic? 
Absolutely, philosophy was mostly like coined by Pythagoras.
Pythagoras, tell me more about that guy.
Pythagoras
Pythagoras of Samos () was an ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism. His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, Western philosophy. Knowledge of his life is clouded by legend, but he appears to have been the son of Mnesarchus, a gem-engraver on the island of Samos. Modern scholars disagree regarding Pythagoras's education and influences, but they do agree that, around 530 BC, he travelled
and the accumulation of knowledge from the books written by other philosophers. Pythagoras' philosophic teachings made direct reference to the philosophy of Anaximander, Anaximenes of Miletus and Pherecydes of Syros. Of the Pythagorean philosophers Hippasus, Alcmaeon, Hippon, Archytas and Theodorus written sources have survived.
Philosophy Arithmetic and numbers.
Pythagoras in his teachings cultivated mathematics and numbers, engaging in a combination of philosophic theorizing and deductive provable methodology. "Numbers" were in the Greek world of Pythagoras' days "natural numbers" - that is positive integers