https://webspace.science.uu.nl/~gadda001/goodtheorist/index.html https://webspace.science.uu.nl/~gadda001/goodtheorist/index.... You need to work up to (and th

https://webspace.science.uu.nl/~gadda001/goodtheorist/index.html https://webspace.science.uu.nl/~gadda001/goodtheorist/index.... You need to work up to (and through) Quantum Field Theory to understand this. Thankfully, you don't need to be as good or as thorough as Gerard 't Hooft as you learn all those things!