Barrie Akin [ to JM's inquiry about a set of quotation marks, in ADA:.‘We must now find our bicycles,’ said Van, ‘we are lost "in another part of the forest."’]  Try Act III Scene V of "As You Like It" - stage direction.
Jansy Mello: A good indication for the source of the mysterious quote. Thank you. 
Nabokov seldom cites female novelists and poets so he probably wouldn't be referring to Lillian Hellman.
What other writer besides Jane Austen and Agatha Christie did VN refer to in any of his novels? 
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