Complex sentence: Reading the book made Gole realise the fruitlessness of violence, falsity, crime and hatred; he was impressed by Gandhi's courage in coming in terms with his mistakes and seeking forgiveness for them, in order to get on with life.
Split into simpler sentences: Reading the book made Gole realise the fruitlessness of violence, falsity, crime and hatred. He was impressed by Gandhi's courage in coming to terms with his mistakes and seeking forgiveness for them, to get on with life.