As for those who say that this spiritual joy is the result only of the thoughts of the heart, they are like a foolish man who was blind from his birth, and who in the winter time used to sit out in the sunshine to warm himself. When they asked him what he thought of the sun's heat he stoutly denied that there was such a thing as the sun, and said, "This warmth which I am now feeling on the outside comes from within my own body, and is nothing more than the powerful effort of my own thoughts. This is utter nonsense that people tell me about something like a big ball of fire hanging up in the sky."  


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.