Jesus said in John 10:10 that He came to give us life and life more abundant. In the Greek the term abundant is simply defined "superior in quality, super-abundant in quantity, and by implication excessive (to go beyond)." As David sought God on how to have this life of abundance, God clearly showed him that in order to walk in this fullness of life, one has to change the way one believes.
Changing the way a person believes begins with changing the way one thinks. The Bible says, "As a man thinketh in his heart, so is he." This life-changing teaching will help you understand the process and show you practical, applicable truths which enable you to walk in the fullness of life Jesus came to give you.