"But, Bhikkhus, when a Tathagata arises in the world, an Arahant, a Perfectly Enlightened One, then there is the manifestation of great light and radiance; then no blinding darkness prevails, no dense mass of darkness; then there is the explaining, teaching, proclaiming, establishing, disclosing, analysing, and elucidating of the Four Noble Truths. [...]"
(Saṃyutta Nikāya 56.38 - Dutiyasūriya Sutta)
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