Influence of Mysticism on John Wesley's Theology

Methodist denominations have Wesley's theology in common and the distinctive of not just justification by faith but additionally the distinctives of sanctification and entire sanctification, the idea of Christian perfection.This concept of Christian perfection fascinated me; to be perfect, how? How fif this theology of John Wesley come about? How is it actuated? Was mysticism involved? This is what led me to writing this book.