God's Will: Thankful Rejoicing Prayer

Verse by verse exposition through the book of 1 Thessalonians. (Sermon also includes the reading and exhortation from the Lord's Table liturgy) 1Thess 5:17 pray without ceasing, 18 in everything give thanks; for this is the will of God in Christ Jesus for you.
WSC Q. 98. What is prayer?
A. Prayer is an offering up of our desires unto God, for things agreeable to his will, in the name of Christ [c], with confession of our sins, and thankful acknowledgement of his mercies.