"O Sarah, I wait for you there! Come to me, and lead thither my children."

https://www.patreon.com/writteninbloodhistory

Further Reading/Principle Sources:

https://www.pbs.org/kenburns/civil-war/war/historical-documents/sullivan-ballou-letter/

https://www.battlefields.org/learn/primary-sources/sullivan-ballou-letter

Photo Credit:

Public Domain, https://commons.wikimedia.org/w/index.php?curid=2740804