3 ms·Why pick leptons? Why not quarks? It's arbitrary.by typon 6y agoWhy pick leptons? Why not quarks? It's arbitrary.qntmfred 6y agoElon did say quarks and leptons.aaron695 6y agoDid you say this because you really hate Elon or are really into the Universes first few second :) (Elon got it right)