"They say that love and tears are learned without any master; and I may say that there is no great need of studying at the court to learn envy and revenge."
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Source : Nicolas Caussin, Hawkins (1678). “The Holy Court in Five Tomes. The First Treating of Motives, which Should Excite Men of Quality to Christian Perfection: the Second of the Prelate, Souldier, Statesman, and Lady: the Third of Maxims of Christianity Against Prophaness, Divided Into Three Parts, Viz. Divinity, Government of this Life, and State of the Other World: the Fourth Containing the Command of Reason Over the Passions: the Fifth Containing the Lives of the Most Famous and Illustrious Courtiers; Taken Both Out of the Old and”, p.668
Source : Wolfgang Amadeus Mozart, Friedrich Kerst, Henry Edward Krehbiel (1926). “Mozart: The Man and the Artist Revealed in His Own Words”, p.7, Courier Corporation