Star Wars: The Last Jedi Commentary.

_{Amilyn continued, “A few weeks ago, you made me realize that intention alone isn’t sufficient. Goodness is proved through action rather than ideas. Since then I’ve been thinking about what that means in the greatest sense, and—and I knew that meant standing against the Emperor.” Her solemn expression shifted into a smile.
“I’m just really relieved I don’t have to do it on my own.”
Leia, Princess of Alderaan by Claudia Gray (2017)}

young amilyn holdo