But fear of death is about an extreme, since it is the greatest of fears, as stated in Ethic. iii. Therefore the virtue of fortitude is not about fear of death.
 Thomas Aquinas, Summa Theologica (1274). copy citation

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Author Thomas Aquinas
Source Summa Theologica
Topic death fear
Date 1274
Language English
Reference
Note Translated by Fathers of the English Dominican Province
Weblink http://www.gutenberg.org/cache/epub/18755/pg18755-images.html

Context

“2: Further, all the passions of the soul need to be reduced to a mean by some virtue. Now there is no other virtue reducing fears to a mean. Therefore fortitude is not only about fear of death, but also about other fears.
Obj. 3: Further, no virtue is about extremes. But fear of death is about an extreme, since it is the greatest of fears, as stated in Ethic. iii. Therefore the virtue of fortitude is not about fear of death. On the contrary, Andronicus says that "fortitude is a virtue of the irascible faculty that is not easily deterred by the fear of death."
I answer that, As stated above (A. 3) , it belongs to the virtue of fortitude to guard the will against being withdrawn from the good of reason through fear of bodily evil.” source