Kingdom of Sicily
Kingdom ruled by Robert, who told Petrarch under oath that letters, especially sacred ones, were far dearer to him than his kingdom, and that he would more calmly part with the crown than with letters.
Preface and Praise of Sacred Scripture
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IV. The Old Testament Surpasses the New in Allegorical Richness
— Robert, King of Sicily, said he would more calmly part with the crown than with letters
"Robert, King of Sicily, was so delighted with letters, especially sacred ones, that he said to him under oath"