This book is dedicated to Carl R. Rogers and to people everywhere who reach to understand that which is within and beyondtheir own world, build bridges with others, and unfold new facts, feelings, ideas, and actions. In a nutshell, this book aims to explore and testify how the PCA contributes to moving forward as a human species in a multitude of application areas. If this book facilitates letting you grasp and perceive a more complete, deeper picture of the interconnection of the PCA along with their implication for theory and/or practice, it will have fulfilled its purpose.