"Expand your world. (Stories about wizards and spells) are very frequently about power relationships...

In the desert there is no sign that says, 'Thou shalt not eat stones.
In the desert there is no sign that says, 'Thou shalt not eat stones.

In the desert there is no sign that says, 'Thou shalt not eat stones.
In the desert there is no sign that says, 'Thou shalt not eat stones.