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Source: Earth House Hold
            A Universal History of Iniquity, preface to the 1954 edition; tr. Andrew Hurley, Collected Fictions (1998) 
Context: I would define the baroque as that style that deliberately exhausts (or tries to exhaust) its own possibilities, and that borders on self-caricature. [... ] The baroque is the final stage in all art, when art flaunts and squanders its resources.
        
“When the mind is exhausted of images, it invents its own.”
Source: Earth House Hold
“When you've exhausted all possibilities, remember this: You Haven't!”
                                        
                                        Not located in Edison's writings, but found in Robert H. Schuller's self-help book Tough Times Never Last, But Tough People Do! from  1983 https://books.google.com/books?id=8oTOa4n3k4oC&pg=PA28&dq=%22exhausted+all+possibilities%22+remember&hl=en&sa=X&ved=0ahUKEwiL88bb6-vKAhVD-mMKHVzNDVEQ6AEIHTAA#v=onepage&q=%22exhausted%20all%20possibilities%20remember%20this%22&f=false. 
Disputed
                                    
“Women do not become exhausted, they only exhaust others.”
                                        
                                        Ogier saying 
(15 October 1994) 
Source: Lord of Chaos
                                    
“The bureaucratic method of building an integrated Europe has exhausted its potential.”
"Can Europe Work? A Plan to Rescue the Union" in Foreign Affairs (September/October 1996)
“An era can be said to end when its basic illusions are exhausted.”
"The Year it Came Apart" http://books.google.com/books?id=MekCAAAAMBAJ&pg=PA30, New York magazine, Vol. 8, No. 1 (30 December 1974 – 6 January 1975), p. 30
Source: The Unabridged Journals of Sylvia Plath
“I learned long ago not to exhaust myself grappling problems that time will carry away on its tide.”
Source: World of the Five Gods series, The Hallowed Hunt (2005), Chapter 16 (p. 289)
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        