Sacrifice, discipline and prayer are essential. We gain strength through God's word. We receive grace from the sacrament. And when we fumble due to sin - and it's gonna happen - confession puts us back on the field.
There are certain things in this world we all have in common such as time. Everybody has sixty seconds to a minute, sixty minutes to an hour, twenty-four hours to a day. The difference is what we do with that time and how we use it.