The work of praying is prerequisite to all other work in the kingdom of God, for the simple reason that it is by prayer that we couple the powers of heaven to our helplessness, the powers which can turn water into wine and remove mountains in our own life and in the lives of others, the powers which can awaken those who sleep in sin and raise up the dead, the powers which can capture strongholds and make the impossible possible.

Ole Hallesby (1879-1961), Prayer