It is, however, not necessary, that a man should forbear to write, till he has discovered some truth unknown before; he may be sufficiently useful, by only diversifying the surface of knowledge, and luring the mind by a new appearance to a second view of those beauties which it had passed over inattentively before.
The Works of Samuel Johnson, LL. D.: The Adventurer. Philological tracts (ed. 1787)