"Why now ?" Sunny had asked of her profession, right before guving her the answer she'd always had: "Because you love it, and because it's our way, and that's reason enough". There wasn't maths or logic or any ironclad mesure of efficiency to black it yo. There didn't need to be.

— Record of a Spaceborn Few de Becky Chambers (Wayfarers, #3) (Page 339)