"When obedience becomes our goal, it is no longer an irritation; instead of a stumbling block  it becomes a building block." 

  This quote implys that you choose what you want to do to help you up or bring you down. If you choose you what to chose the wrong and go down a bad road then you will fail. When it comes to you, you have to watch out with the things do. this is because this things affect you more than anyone else. When you choose to do things like smoke and drink then you lead yourself in the wrong way. And what good is the right?  But when you choose the right then you have a stable place in witch you can stand on. For example if you choose the right like being kind and safe the you will have a stable foundation to recline on. Choosing the right helps you out in many ways. For example you can help out others or be someone people look up to.