The demonstration on Cesjansij in Specter of the Past. A major theme of the books is various individuals and groups at each other's throats over their very different ideas of what would constitute "justice" for Caamas (or using that as an excuse to settle old scores). And in the midst of all this strife, you have a group of people with very different viewpoints coming together for a peaceful demonstration of mourning and their mutual commitment to justice, even if they disagree about what that should be. They might as well be saying: "Though we disagree, ultimately, we are together."
The trigger phrase Mara agreed on to be awoken from the healing trance Luke places her in to facilitate their escape from the Chiss fortress: "I love you, Mara."