Our lives must be totally wrapped up in Christ, exemplifying His character. As we overcome, taking the same steps as Christ did, we will receive His reward.
Following our passions only applies if we invest the career capital to perfect our craft, honing our skills so that other people will pay for what we have to offer.
Christ warns that we must do everything possible to annihilate sin - surgically going right to the heart or mind: the level of thought and imagination.
As future priests, we are going to be given rigorous, hands-on jobs to teach people righteousness and holiness, distinguishing between the sacred and profane.