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                                        To a neighbor (1856), as quoted in  A Personal History of Ulysses S. Grant https://books.google.com/books?id=0G1LAAAAYAAJ&pg=PA155&dq=%22may+not+cover+a+true+heart+as+well+as+a%22&hl=en&sa=X&ei=uZngVIKtGsicNqz1gYgB&ved=0CB0Q6AEwAA#v=onepage&q&f=false (1868), by Albert Deane Richardson, Hartford, Connecticut: American Publishing Company, p. 155. According to some other sources, he had also used this phrase in a letter to Robert E. Lee (General of the Confederacy). 
1850s
                                    
 
        
     
                             
                             
                             
                             
                             
                            