Just as the salt water of the sea is drawn upwards by the hot rays of the sun, and gradually takes on the form of clouds, and, turned thus into sweet and refreshing water, falls in showers on the earth (for the sea water as it rises upwards leaves behind it its salt and bitterness), so when the thoughts and desires of one who prays rise aloft like emanations of the soul, the rays of the Sun of Righteousness purify them of all sinful taint, and prayer becomes a great cloud which descends from heaven in a shower of blessing, bringing refreshment to many on the earth.

(At the Master’s Feet)   

In their many different idioms the classical spiritual writers have attempted to throw light on the eternal question of union with God. 
Every month we give you a brief passage from a spiritual classic.