On inevitability of change.
Nothing can stand in the way of progress — certainly not cities.
First, let me define progress, according to me. Progress is growth and forward momentum. Stone age, iron age, the Industrial Revolution, skyscrapers, vaccines, air travel — all these are signs of progress. But since progress is, like most things in life, a double-edged sword, there are also overpopulation, pollution, deforestation.