"The idea of eternal return is a mysterious one, and Nietzsche has often perplexed other philosophers with it: to think that everything recurs as we once experienced it, and that the recurrence itself recurs ad infinitum! What does this mad myth signify?"

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One of the promising indications of a renewal in the Church's missionary consciousness in recent decades, has been the growing desire of many lay men and women [...] to cooperate generously in the 'missio ad gentes.' As Vatican Council II stressed, the work of evangelization is a fundamental duty incumbent upon the whole People of God.

— Pope Benedict XVI