The truth will set you free...but first it will make you miserable.
Richard Rohr, as quoted in "Reading People," by Anne Bogel. Rohr's comment is related to the idea of learning to know one's self and then having courage to change those things about yourself that you want to change. When you understand who you are - strengths, weaknesses, why you think and react the way you do - only then can you begin the work of becoming the true "you."
Bogel's book is excellent and she is quite transparent in describing her quest for better understanding herself and through that work to become the better person she wants to be. She also a very engaging writer and takes a topic that could have become quite technical and puts it all down in layman's terms. A good read!