Listen to the Summary of Erwin W. Lutzer's We Will Not Be Silenced in 20 minutes. Please note: This is a summary & not the original book. To exercise on a regular basis, you must have a clear picture of your long-term goals. This means identifying what you want most in life and then working your way backward. If your time is already limited, don't expect to adhere to a strict P90X program that requires a two-hour daily commitment...