Keeping the Heart

Keep thy heart with all diligence; for out of it are the issues of life. Proverbs 4:23 Physical fitness is important. But far more important than physical exercise and physical fitness is the spiritual aspect of our lives. And at the center of our spiritual fitness is the condition of our hearts. Some have defined the heart as "the totality of man's inner or immaterial nature." Others have called the heart "the whole soul, or inner man" or "the center of all the issues of our life from a...