Maybe multiple things can be true Like when doctors insisted they didn't need to wash their hands (https://en.wikipedia.org/wiki/Ignaz_Semmelweis#Conflict_with

Maybe multiple things can be true Like when doctors insisted they didn't need to wash their hands (https://en.wikipedia.org/wiki/Ignaz_Semmelweis#Conflict_with_established_medical_opinion https://en.wikipedia.org/wiki/Ignaz_Semmelweis#Conflict_with...) or "science advances one funeral at a time" (https://en.wikipedia.org/wiki/Planck%27s_principle https://en.wikipedia.org/wiki/Planck%27s_principle)