Sensei and the others are tricked by a boy in a small village who promises to provide them with a hero for their journey but simply runs off with the money. They later learn from the innkeeper that this boy hasn't had an easy life either.
It's because adults like you lie so 
casually that children imitate you.
.يقلّد الأطفال من يكذب بسهولة هكذا من البالغين
Weil ihr Erwachsenen
ständig eiskalt lügt, …
Que unos adultos mientan
con tanta facilidad
Que unos adultos mientan
con tanta facilidad
È colpa di voi adulti 
che mentite con tanta leggerezza,
É porque adultos como vocês mentem
tão casualmente que as crianças os imitam.
Именно из-за того, что вы,
взрослые лбы, врёте направо и налево,