The Richest Man In Babylon by George S. Clason If you liked The Alchemist, you'll love this book too! It's written as a parable too.
We have to understand that we can only change our lives by changing what's on our minds first! This is an amazing book by Dr. Wayne Dyer that everyone should read!
Wayne Dyer, Wisdom of the Ages. Quotable passages by Buddha, Confucius, Michaelangelo and Emily Dickinson to name a few, with interpretation of each passage by Dyer himself. My go to book of choice for a shot of enlightenment.
Take up a cause and convert skeptics into believers. Enchantment: The Art of Changing Hearts, Minds, and Actions by Guy Kawasaki is filled with wisdom and insight that will help you bring others into your dreams and invoke change. Influence, persuasion, and leadership lessons for when your goals are ambitious and your challenges are great.