rule 1: the road runner cannot harm the coyote except by going "beep-beep!"
rule 2: no outside force can harm the coyote - only his ineptitude or the failure of the acme products.
rule 3: the coyote could stop anytime - if he were not a fanatic. (repeat: "a fanatic is one who redoubles his effort when he has forgotten his aim" -- george santayana)
rule 4: no dialogue ever, except "beep-beep!"
rule 5: the road runner must stay on the road - otherwise, logically, he would not be called road runner.
rule 6: all action must be confined to the natural environment of the two characters - the southwest american desert.
rule 7: all materials, tools weapons, or mechanical conveniences must be obtained from the acme corporation.
rule 8: whenever possible, make gravity the coyote's greatest enemy.
rule 9: the coyote is always more humiliated than harmed by his failures.
wile e. coyote and road runner rules
from chuck jones's eloquent and funny "chuck amuck: the life and times of an animated cartoonist":