You must remember," the doctor said, "Society must be protected against the individual." "Yes," Feerman said drowsily, "but who is to protect the ind… - Robert Sheckley

Even rulers, notoriously the slowest of men to change, realized that something had to be done.

We have propounded our beliefs in various ways, and according to various doctrines. Often we have aroused the passions of men to murder and war. This was perfectly proper, since it brought the problems of morality and religion to their highest and most exquisite pitch, and gave many complicated matters for us theologians to talk about.
We argued always, and we published our various dissenting opinions. But we argued like lawyers in a court, and nobody in his right mind listens to a lawyer. Those were the days of our pride, and we never noticed that men had ceased to pay attention to us.

Joenes’s students quickly absorbed the material given to them, passed their tests, and quickly forgot the material. Like many vital young organisms, they were able to eject anything harmful, disturbing, distressing, or merely boring. Of course they also ejected anything useful, stimulating, or thought provoking. This was perhaps regrettable, but it was part of the educative process to which every teacher had to accustom himself.