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The swan is not without cause dedicated to Apollo, because foreseeing his happiness in death, he dies with singing and pleasure.

"Tusculanarum Disputationum", I. 30, as quoted in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 772-73,
The swan is not without cause dedicated to Apollo, because foreseeing his happiness in death, he dies with singing and pleasure.