Attend to me, Sancho, I do not say a proverb is amiss when aptly and seasonably applied; but to be for ever discharging them, right or wrong, hit or miss, renders conversation insipid and vulgar. – Miguel de Cervantes Saavedra, Don Quixote de la Mancha, translated from Spanish

A quote is just a tattoo on the tongue. – Attributed to William F. DeVault

I believe it was Gayelord Hauser, the nutritionist, who said that “you are what you eat,” but if you happen to be an intellectual, you are what you quote. – Joseph Epstein, “Quotatious,” A Line Out for a Walk: Familiar Essays, 1991

A true quotation cannot be divorced from the character who uttered or scribbled it; it should say as much about the person quoted as about the particular subject referred to, and for this reason an anthology of quotations should be a kind of portrait gallery. – Robert Andrews, The Columbia Dictionary of Quotations, “Introduction”