The gradual depletion of the ozone layer and the related "greenhouse effect" has now reached crisis proportions as a consequence of industrial growth, massive urban concentrations and vastly increased energy needs. Industrial waste, the burning of fossil fuels, unrestricted deforestation, the use of certain types of herbicides, coolants and propellants: all of these are known to harm the atmosphere and environment.
Pope John Paul IIToday, the scale and horror of modern warfare - whether nuclear or not - makes it totally unacceptable as a means of settling differences between nations. War should belong to the tragic past, to history; it should find no place on humanity's agenda for the future.
Pope John Paul IIChristian holiness does not being sinless, but rather it means struggling not to give in and always getting up after every fall.
Pope John Paul IITake heart young people! Christ is calling you and the world awaits you! Remember the Kingdom of God needs your generous and complete dedication.
Pope John Paul IIIt is Jesus who stirs in you the desire to do something great with your lives, the will to follow an ideal, the refusal to allow yourselves to be ground down by mediocrity, the courage to commit yourselves humbly and patiently to improving yourselves and society, making the world more human and more fraternal.
Pope John Paul II