In the 2nd and 3rd century CE, those at Didyma and Claros pronounced the so-called "theological oracles", in which Apollo confirms that all deities are aspects or servants of an all-encompassing, highest deity.
ɪnðə sˈɛkənd ænd θˈɜːd sˈɛntʃɚɹi sˌiːˈiː, ðoʊz æt dˈɪdɪmə ænd klˈæɹoʊz pɹənˈaʊnst ðə sˌoʊkˈɔːld "θiːəlˈɑːdʒɪkəl ˈɔːɹəkəlz", ɪnwˌɪtʃ ɐpˈɑːloʊ kənfˈɜːmz ðæt ˈɔːl dˈiːətiz ɑːɹ ˈæspɛkts ɔːɹ sˈɜːvənts əvən ˈɔːlɛŋkˈʌmpəsɪŋ, hˈaɪɪst dˈiːəti.