 Shortly after Booth 's death , his brother Edwin wrote to his sister Asia , " Think no more of him as your brother ; he is dead to us now , as he soon must be to all the world , but imagine the boy you loved to be in that better part of his spirit , in another world . " Asia also had in her possession a sealed letter Booth had given her in January 1865 for safekeeping , only to be opened upon his death . In the letter , Booth had written : 
