When certain conditions are fulfilled, certain results may be expected to follow.
And, accordingly, we may anticipate that our wills will be in harmony with the divine will when we are in the habit of asking God for a divine direction of our wills. There can be no union with God without prayer. We do not mean to say that the prayer, which, if it be a true prayer, always implies a state of sincere and entire consecration, must always be formal; but there must always be an inward disposition, which constantly recognizes the soul's dependence upon God, and which as constantly looks for his aid. To such a soul, if it has faith corresponding to its desires, God will not fail to grant his assistance. When we feel that we have strength from God, by feeling that we have an accepted communion with him. then we may have hope that we shall and do will only what God wills.
— from A Treatise on Divine Union (1851) Part 5, Chapter 4.