"Yesterday "Accademie" was held especially for us. It lasted from 5 o'clock in the evening until 9 o'clock at night. I had the pleasure of hearing not only good male and female singers, but also an admirable flutist, Mr. Wendling, and the orchestra is without a doubt the best in Germany, and many young people, and definitely people of good character; neither drunkards, nor gamblers, nor slovenly scoundrels, so that both their conduct and their production are to be held in great esteem. My children put all Schwetzingen into motion."
Leopold Mozart on 19 July 1763 from Schwetzingen to a friend in Salzburg.
Elector Carl Theodor to Mozart at the rehearsal of Idomeneo, composed in 1781 for the Elector and the Munich Carneval.
The Saxon Ambassador Riaucours reported in 1774 that Carl Theodor, who loved solitude very much, was surprised during his morning walk in the Schwetzingen Palace garden, which is open on all sides, by robbers who took everything he was carrying.
"He treated those around him with extreme affability; I have never received an order from him in a commanding tone. They are always formulated, "Would you do that for me?". One could rely on never being compromised by him.
Stephan von Stengel, Cabinet Secretary, in his memoirs.