Full Idea
For Pythagoreans the entire universe is constructed of numbers.
Gist of Idea
For Pythagoreans the entire universe is made of numbers
Source
report of Pythagoras (reports [c.530 BCE]) by Aristotle - Metaphysics 1080b
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.409