Revolutionary Taekwondo and Leadership Training from Taekwondo Legends, Great Grandmaster Edward B. Sell, Sr. Grandmaster Brenda J. Sell. Taekwondo has been referred to as "A Way of Life." Why? Because when taken seriously, Taekwondo will affect you in every aspect of life: mind, body, and spirit. But, you MUST have the right tools: Support, Encouragement, and Acceptance.