I think they meant: > "If you can't explain it simply, you don't understand it well enough." - Albert Einstein Which is listed at https://en.wikiquote.org/wik

I think they meant: > "If you can't explain it simply, you don't understand it well enough." - Albert Einstein Which is listed at https://en.wikiquote.org/wiki/Albert_Einstein#Misattributed https://en.wikiquote.org/wiki/Albert_Einstein#Misattributed