Five unclued lights form a quotation from a work concerning the 18 of 19, 15A and 23. The 18’s name will appear in the completed grid and must be shaded.
 

Across

4    Placidity of English queen nearing Ross and Cromarty town (9)
9    Dumb mimickings parish rioters bandied (10)
11    Old statesman from Burundi following woman around (5)
12    Fishy young goddess snubbed arriviste (7)
14    Refined gent eats over in the same place (5)
16    Classy hawk takes kip in Kelso (6)
21    People and prophet largely like a bunch of grapes (8)
22    What stimulates enthusiasm? (7)
24    Related little ladies stripped (4)
25    Mood of Loretta leaving Lima...