What are your favorite (potentially long) mathematician quotes? Bonus points if it's not just a pithy restatement of "math is beautiful", but something which changes how you think.

— Grant Sanderson (@3blue1brown) October 16, 2020

As a run-up to the "Introduction to Integrability" series (see my pinned tweet), I decided to share some interesting bits from the history of integrable systems.

Let's start at the beginning, shall we? So Newton… pic.twitter.com/J1VgZ0DRav

— Tamás Görbe (@TamasGorbe) October 13, 2020