He is taking responsibility for the things that occurred to him, knowing that he was a part of the decisions he made and paths he chose. Knowing this, he knows that the enemy is not totally separate from him, as his grandfather implied, but a part of him as well. And that he can't overcome it, as his grandfather suggested, because doing that he would also overcome himself and his identity.
The narrator admits that he is still confused over his identity. He has realized, through his hibernation, that he has gone about his life wrong. He has been trying many ways to proceed with his life and has learned that there is no single way to do it, something he failed to see early on. By the end of the novel, the Invisible Man no longer sees in black or white, a division of right and wrong, he is now able to think in the gray areas. Significantly, his new way of looking at life has given him a new way to find his