“Well, it is necessary for me to express myself with allusions so that if the letter happens to fall into the depths of the sea or land, whoever reads it will not understand it... However, be careful not to let these fall into the hands of uneducated people. For I almost believe that there are no more laughable theories for the (unlearned) people, nor more admirable and exciting ones for the intelligent.

And when they are spoken many times and heard continuously for many years, only then are they refined with great care, like gold. The admirable part of the matter, listen to see which it is... Therefore, you too, be careful not to regret one day for what you have unjustly overlooked. The best precaution is not to write them down but to memorize them.

For it is impossible for what is written not to fall into disuse. For this reason, I have never written anything on these matters...” Plato’s Letter II (314a-b-c)