Fourteen solutions begin with the same letter as their clues. These letters in order are the initial letters of the twelve words of a 2014 quotation and the two initials of its author. The unclued lights reveal this quotation in full and the author’s name.
 

Across

 
1    This reflex conceals what ends up making sense (5)
4    Chief of Staff was holding a staff lacking coloured symbols (9)
11    I present pupil with close to perfect score (5)
14    Double crossing Romeo mixed substance (5)
15    Musical has no use for song (5)
16    Try admitting sport is most honourable (6)
21    Sari when recycled? (8)
22    Alternative name...