https://blogs.ubc.ca/etec540sept13/2013/09/29/socrates-writing-vs-memory/
[...] Thamus states that ‘letters’ “… will create forgetfulness in the learners’ souls…” (Plato, n.d.). Thamus believed that the people would become dependent on the written word and cease to use their own memories. He also believed the written word would lead people to become “hearers of many things”, appear as though they were all-knowing, but to actually be learners of nothing.