"Through learning we grow, becoming more than we were before, and in that sense learning is unselfish, because it results in the transformation of what we were before, a setting aside of the old self in favor of a more complex one."

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The solidarity which binds all men together as members of a common family makes it impossible for wealthy nations to look with indifference upon the hunger, misery and poverty of other nations whose citizens are unable to enjoy even elementary human rights. The nations of the world are becoming more and more dependent on one another and it will not be possible to preserve a lasting peace so long as glaring economic and social imbalances persist.

— Pope John XXIII