Here are some quotes from the book:
Self-development (...) Self-renewal (...). Both are action. You become a bigger person, yes; but, most of all, you become a more effective and comitted person. So, I conclude by asking you to ask yourself, what will you do tomorrow as a result of reading this book? And what will you stop doing?
When I was thirteen, I had an inspiring teacher of religion, who one day went right through the class of boys asking each one, "What do you want to be remembered for?" None of us, of course, could give an answer. So, he chuckled and said, "I didn't expect you to be able to answer it. But if you still can't answer it by the time you are fifty, you will have wasted your life."
One prays for miracles but works for results, St. Augustine said.
There are also true believers who are dedicated to a cause where success, failure, and results are irrelevant, and we need such people.