Populorum Progressio §29

²⁹ We must make haste. Too many people are suffering. While some make progress, others stand still or move backwards; and the gap between them is widening. However, the work must proceed in measured steps if the proper equilibrium is to be maintained. Makeshift agrarian reforms may fall short of their goal. Hasty industrialization can undermine vital institutions and produce social evils, causing a setback to true human values.