This encouragement to pray forces us to consider again that everything we have that sustains us comes from the hand of our merciful God.

Joe Thorn details his family's thought process with Halloween, factoring in both his past in the occult, and the helpful ways they could engage in their neighborhood.
www.joethorn.net
www.christianity.com

The question really is, can a person who has been forgiven of their sins, who has been received by God through the mercy and the merits of Jesus ... can that person do something to be unforgiven? 

It is true that as people we are finite and fallen. We cannot, this side of the resurrection, be perfectly holy. Sin will cling to every act and every affection. We have to be aware of that. However, the Bible does talk about God’s people being holy. And not only in the sense of our justification. 

http://www.joethorn.net/

In this series of videos, Joe Thorn takes readers through the components of The Lord's Prayer.

I am convinced that this is the personal discipline that is most necessary for our progress in the faith.

If God is with his people, then as a Christian you can rest assured that he is with you. And if God is with you, to uphold you, you have the promise of perseverance.