The quotation was ‘IN MY BEGINNING IS MY END’ (12/15) from East Coker (an anagram of the title), second poem of T.S. Eliot’s Four Quartets. Remaining unclued lights are words whose first half is the same as their second half:
5, 16, 42, 43, 10 and 13. ELIOT (diagonally from the twelfth row) was to be shaded.
 
First prize Mike Conway, Grantham, Lincs
Runners-up Edward Staveley, London SW15; S.C. Daneff, London SW18