Sustenance is mentioned in the Quran in these verses:
[2:22] The One who made the earth habitable for you, and the sky a structure. He sends down from the sky water, to produce all kinds of fruits for your sustenance. You shall not set up idols to rival God, now that you know.
[14:32] God is the One who created the heavens and the earth, and He sends down from the sky water to produce all kinds of fruit for your sustenance. He has committed the ships to serve you on the sea in accordance with His command. He has committed the rivers as well to serve you.
To learn more, read the Quran in English.
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