Cited as a reference
Richard Feynman Magnets
Why people recommend it
Richard Feynman clip on why asking how magnets work has no simpler answer, linked when discussions reach the limits of explanation.
Watch for: Philosophy of explanation rather than electronics practice
In their words
As Richard Feynman noted, giving things names does not do anything at all to explain them or understand them.
RedGrittyBrick on electronics.stackexchange.com, Feb 2018. CC BY-SA.