Three unclued lights make up a nine-word quotation. Remaining unclued lights are of a kind.
 

Across

1    Norway blocking the euro perhaps till now (8)
8    Excuse one departing French city (4)
12    Bill the Spanish for Jew’s harp? (5)
14    Break dance, say, to get going again (7)
17    Hospital’s moved organ in the body (5)
18    Hold off from rating and mark (7)
22    Makes leaves from aloes fit in stew (8)
23    Fool’s tucked into smooth vegetable fibre (7)
24    Box’s function to store crown (6)
25    English lover rejected coat (6)
27    Special ship’s aerodynamic device (7)
29    Argument about curiously older etymology (8)
33    List includes depth for fisherman...