The Rise of the Dutch Republic (1856; New York: Harper, 1861) vol. 3, part 6, ch. 7, p. 627.
Of William the Silent. In a footnote Motley cites the original of his last phrase in an official report made by the Greffier Corneille Aertsens: "dont par toute la ville l'on est en si grand duil tellement que les petits enfans en pleurent par les rues."
Works

The Rise of the Dutch Republic
John Lothrop MotleyFamous John Lothrop Motley Quotes
“Local self-government…is the life-blood of liberty.”
The Rise of the Dutch Republic (1856; New York: Harper, 1861) vol. 3, part 6, ch. 1, p. 416.
“Give us the luxuries of life, and we will dispense with its necessaries.”
Quoted from Motley's conversation by his friend Oliver Wendell Holmes, Sr., in The Autocrat of the Breakfast-Table (Boston: Phillips, Sampson, 1858), ch. 6, p. 143.