Fear Quotes in Divergent

How we cite our quotes: (Chapter.Paragraph)

Quote #10

Eric called Al's suicide brave, and he was wrong. My mother's death was brave. I remember how calm she was, how determined. It isn't just brave that she died for me; it is brave that she did it without announcing it, without hesitation, and without appearing to consider another option. (36.53)

Here Tris is discussing her mom's sacrifice, which was truly brave (Tris thinks) because it was totally selfless. So, this seems to show an evolution in Tris's thinking about bravery. She used to equate it with selfishness, and now she equates it with quite the opposite?