From stepping next step in our life till the last breath, our doings are the reason for the life we have. It is an exceptional book to read and easy to understand the words written by author. 60 keys to life and if we follow 10% of it, our life will get better each day.
We reap what we sow likewise, we build our virtues by doing good deeds. This is explained in Chapter 5 very well.
Everytime you read the book, it seems new and we understand the gist differently in a good way depending on the mindset you are in.