Vector potential Memes

Nothing says "I've made terrible life choices" quite like staring blankly at Jackson's Classical Electrodynamics while your coffee mug mockingly displays vector potential and gauge transformation equations. The book's reputation as a physics grad student torture device is well-earned. Those partial differential equations aren't going to solve themselves, and your sanity isn't going to maintain itself either. Fifth reading and still clueless? Congratulations, you're officially qualified to teach the material.