It doesn't matter what religion you believe in, If you follow your religion 100% and implement in day to day life , You don't need a Motivation or Personality development, Because every religion is shows you the way of life, Character building, Motivation, Courage, Respect to elder and be kínd to the children, Help each other, Never Give Up, Stay strong, Believe, Personality, Skills, Happiness, The Golden Rule of Life, Interaction, Know Yourself (Make Up Your Own Mind), Humanity, Peace of mind, Respect your parents, Help the person who is need, Stress management, Leadership Qualities, Etc. So follow your religion 100% and implement in day to day life.