I'm writing a book called 'The Indisputable Existence of Santa Claus' about the maths of Christmas: how to set up a secret Santa so it's totally fair; how to decorate your tree mathematically; how to win at Monopoly.

The Gottman Institute's study about arguments in long-term relationships concludes that couples with the best chance at long-term success are the ones with a low negativity threshold: if something's wrong, they speak up about it immediately. That's something I've taken on board.

There's actually an awful lot of mathematics that goes into designing a railway, keeping it running, making sure everything runs optimally. Every time you need something to be optimal there's going to be some mathematics at play.

Hannah Fry Quotes