What does Pip say he realizes about Magwitch when he sees the convict manacled in the four-oared galley?

When he sees him manacled he realizes (from the text)

"For now, my repugnance to him had all melted away, and in the hunted wounded shackled creature who held my hand in his, I only saw a man who had meant to be my benefactor, and who had felt affectionately, gratefully, and generously, towards me with great constancy through a series of years. I only saw in him a much better man than I had been to Joe."