Burn it, and you will have saved John and Cornelius de Witt.
"Farewell, and love me.
"Cornelius de Witt.
"August 20, 1672." This slip of paper offered the proofs both of Van Baerle's innocence and of his claim to the property of the tulip.
Rosa and the Stadtholder exchanged one look only.
That of Rosa was meant to express, "Here, you see yourself." That of the Stadtholder signified, "Be quiet, and wait." The Prince wiped the cold sweat from his forehead, and slowly folded up the paper, whilst his thoughts were wandering in that labyrinth without a goal and without a guide, which is called remorse and shame for the past.
Soon, however, raising his head with an effort, he said, in his usual voice,-- "Go, Mr.Boxtel; justice shall be done, I promise you." Then, turning to the President, he added,-- "You, my dear Mynheer van Systens, take charge of this young woman and of the tulip.

Good-bye." All bowed, and the Prince left, among the deafening cheers of the crowd outside.
Boxtel returned to his inn, rather puzzled and uneasy, tormented by misgivings about that paper which William had received from the hand of Rosa, and which his Highness had read, folded up, and so carefully put in his pocket.

What was the meaning of all this?
Rosa went up to the tulip, tenderly kissed its leaves and, with a heart full of happiness and confidence in the ways of God, broke out in the words,-- "Thou knowest best for what end Thou madest my good Cornelius teach me to read.".