In JLA, the story was "seven soldiers of probability" or something like that, and J'onn says "The league is capable of building a watchtower on the moon, surely we could engineer a prosthesis for your legs", and Babs responds with "Thank you, but no. I have little interest in being half-robot."
Then J'onn asks if she misses her mobility, and she says "more than words can express. And I dream of the medical breakthroughs that might someday restore it. But in the meantime, I've worked hard to treat what happened to me as an opportunity, not a handicap." "I concentrate on the good I can do now that I've been forced to exercise my mind."
Mark Waid was the writer.
I only just got this trade, so I'll probably post some scans up sometime this week.