Andrew Pettegree and Arthur der Weduwen, The Bookshop of the World: Making and Trading Books in the Dutch Golden Age
(New Haven: Yale University Press, 2019), p. 9 with note on p. 411:
When the Dutch minister Franciscus
Ridderus wrote in 1663, 'what is a man, who has no understanding of good books!
How plain must those people be, who have no books!', this was setting a new
standard, even for a society as sophisticated as the Dutch Republic.9
9. Franciscus Ridderus, Nuttige Tiidkorter voor reizende en andere luiden (Rotterdam: Joannes Naeranus, 1663), p. 66.