Yes, your quotes' source is from a 1971 paper and I realize this source isn't much better than you saying otherwise, but it could be that the Socrates quote is not accurate -
https://maverickphilosopher.typepad.com/maverick_philosopher...The Egyptian priest quote is muddied too - https://skeptics.stackexchange.com/questions/4923/was-this-q...
I wouldn't build an argument on them...