
“Any book worth banning is a book worth reading.”
A.Word.A.Day (May 7, 2007) http://wordsmith.org/words/stormy_petrel.html
“Any book worth banning is a book worth reading.”
“A book worth reading is worth owning.”
Variant: If a book is worth reading, it is worth buying.
“A picture may be worth a thousand words, a formula is worth a thousand pictures.”
Dijkstra (EWD1239: A first exploration of effective reasoning)
1990s
The Lewis Carroll Picture Book (1899) p. 3.
Source: On the Mystical Body of Christ, pp. 419-420