The most elegant, simply profound advice I can think of for living a joyful life, is to decide where you want to go, and then head in that direction.
The world will present many obstacles along the way, but if you are clear about where you want to go, then those obstacles can become mere amusements. Take a look at them again, and you may find the lessons they offer, which can only enhance your journey.
So, do you want to live a simply joyful life? Well, then decide where you want to go, and then simply head in that direction.