Is it "right" to try to make everyone believe that there were no mistakes?! That's probably why they haven't made much progress in this fight! Instead of learning and moving forward, they try to erase the past!
[Though after the whole "Chain making him forget murdering a lot of his family" thing, he's a bit biased here.]
voice;
[Though after the whole "Chain making him forget murdering a lot of his family" thing, he's a bit biased here.]