2633: Highly critical

The unclued entries (two of one word, two of two words, two of three words) combine to form a quotation. Elsewhere, ignore two accents.

        Across

   1    Promotions to fix in commercial vehicles (12)

10    Eager pupil’s plea for online phenomenon (4)

12    Cockney dish rose, having turned end (3,1,4,2)

14    Remark further problem with concentration (3)

15    Angler uses this weight in river, they say (8)

17    Gold cloth piece is not silver – this might be either (5)

18    Win back billion, not having a scale again (7)

19    Understanding one? (6)

22    Analog ____ could be ‘slo-mo’, managed badly? (6)

24    A state surrounded by empty sea (5)

26    Urban guile represented by India in this place? (9)

27    Trapped in Guyana, now I restore filaments (9)

29    Poet’s transported working party (5)

31    Court I use to ruin that one legally (6)

34    Almost breaking out of an opening (6)

36    Making everything different, if income falling short (7)

38    It’s colourful for Polynesians have the lead, cycling (5)

39    Dismissal from office visit, gun being shot around (8)

41    Group that’s adapted piece played in Scotland for Bizet cut short (10)

42    Gripping part of car: sound of exhaust? (4)

43    I hear of dolts reclassified thus? (12)

        Down

   3    Plan backed by the French magistrates (7)

   4    Slice of meat that is a dish (5)

   5    Parkie in season where this foreigner’s from (9)

   6    Rate Spain’s footballers, say? (6)

   7    Material poet’s rejected (5)

   8    Staunch supporter of Proteas? (4)

11    Artist stops another giving away name for footballer (8)

16    Banker dumps Egypt’s capital for minimal value (3)

19    Rejected text entertaining two kids (6)

20    Girl is first son’s sibling (6)

23    1,500 with this complaint could potentially be pandemonium (9)

25    Pungent problem raised behind time (8)

28    Ghanaian announced a sailor’s number (7)

30    Petal is somehow not a part of plant (6)

32    Judge this bar’s class of spirits...