"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible." St. Francis of Assisi

This adage of the Saint can apply to many efforts in our life. Take prayer for an example. Some people feel that it is impossible for them to pray for an hour each day. But if they start with fifteen minutes and then extend it to thirty minutes, they could reach what seemed impossible at first by the grace of God. The impossibility was only in their mind, not in action. The same thing can apply to other things, say for instance our habitual sin. What we can't overcome on our own, can be overcome with our dependency on the help of God. The saints are witnesses of this.