The thirst for God, the desire for unitive knowledge, is not something foreign to our nature. This desire is already in the human heart; the only reason we fail to perceive it is because it is usually covered up with petty worries and egotistical ambitions. Once these are removed, the true desire, buried in the deepest recesses of the human mind, will shine forth of itself and, like a flame, will leap toward heaven, which is its true Home.
Abba Paul went to see Abba Basil and said, "Abba, as far as I can, I say my little office, I fast a little, I read and meditate, I live in peace and as far as I can, I purify my thoughts. What else can I do?"
Then the old man stood up and stretched his hands towards heaven. His fingers became like ten lamps of fire and he responded, "If you will, you can become all fire. You cannot be a monk unless you become like a consuming fire."