Although I do not have the technical qualifications to understand to mathematics of quantum field theory, I happened to come across a preview of a book called The Electron by Dennis Morris on Amazon. While reading the preview I came across this sentence: "The solution of the neutrino mass problem is that neutrinos are massless but the squared neutrino field is massive ---- quaternions can be like this." Neutrinos as I understand them actually have mass, so is this statement accurate? Also, if the answer can only be expressed clearly, mathematically, then feel free to do so. Lastly, I hope this is the appropriate place to submit this. Thank you.