Reserve your right to think, for even to think wrongly is better than not to think at all.

Reserve your right to think, for even to think wrongly is better than not to think at all.

— Theon (Greek mathematician and last Curator of the Library of Alexandria, c. 335 – c. 405) to his daughter, Hypatia (Greek Neoplatonist mathematician, philosopher and astronomer, c. 350 – 415)