We're kind of the comic relief of this movie because most of the stories are very dark. And that's why these plays were so great, because it's such a dark, dark universe that it becomes funny because it's just too pathetic.
In all nations an exceptional man exists that compensates the deficiencies of the remainder. In those moments, when humanity is found collectively in a state of decadence, there always remain those exceptional beings as point of reference.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.