"when obedience becomes our goal ,it is no longer an irritation;instead of a stumbling block ,it becomes a building block"
   -james.E.Faust 

what he is trying to say is that obedience will always come in hande.That also obedience is a goal in our life.A goal that we will always reachin to.Obedience  will not be an obstacle it becomes a building block in our life no matter what happens to us . TO add on obedience will always be a life goal no matter what. Don't forget chose the right.