To make the quote you are including fit grammatically into your own sentence structure, you may make minor changes that don't alter the meaning of the original quote. Indicate such changes with

Aparentheses ( ) Once enemies, they now "(pray) to honor each other."

Bbrackets [ ] - Once enemies, they now "[pray] to honor each other."

Cquotation marks " " - Once enemies, they now ""pray" to honor each other."