I am afraid that the pleasantness of an employment does not always evince its propriety.
Source: Elinor, in Sense and Sensibility, ch. 13 (1811).
-- Jane Austen, (Dec 16 1775-1817), English novelist; She was known as the masterful miniaturist; wrote Pride and Prejudice, 1813; Sense and Sensibility, 1811.