The story of two monks (Dhammapada Verses 19-20)
This is a story of two monks who were friends. The story corresponds to verses 19 & 20 of Dhammapada, from the Chapter on Pairs (Yamakavagga).
This story, along with some other stories related to Dhammapada verses, can be read in the following book : https://store.pariyatti.org/dhammapada-commentary-treasures.
Another translation of this story along with Audio is available at https://www.ancient-buddhist-texts.net/English-Texts/Buddhist-Legends/01-14.htm.