"We may survive; and if we do not, I will repeat the lessons of my Seneca, and die with a good heart"

   Lucius Annaeus Seneca was a Roman philosopher of the 1st-century AD.  He belonged to the Stoic school of thought, which saw the control of one's emotions as a prerequisite of civilised life. Many of his popular writings focusing on the correct way to accept and prepare for the inevitability of death. 

Online edition of Seneca's essay 'De Brevitate Vitae' (1st-century AD)