It is said

it is commonly reported; it is rumored; people assert or maintain.

See also: Say

References in classic literature ?
189: As it is said in Hesiod in the "Catalogue of Women" concerning Demodoce the daughter of Agenor: `Demodoce whom very many of men on earth, mighty princes, wooed, promising splendid gifts, because of her exceeding beauty.
Yet if painting is to deal with its weird current position--one that is not so much based in what painting currently is, but in what it is said to be--then it is time that painting pushed back, not defensively or modestly but outward and immodestly.
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