Bruno. Before he went back to Italy, to warn him not to go. To warn him of Mocenigo. Or, alternatively, in 1600 before they burned him, to tell him that a full four hundred years later, people would be reading his books, and there’d be a statue honouring him right where he was about to get burned. To tell the Nolan that his life’s work had not been in vain. That he would be loved, and more importantly perhaps, understood.