For desire is drawn towards three things: the pleasure of the flesh, vain self-glory, and the acquisition of material wealth. As a result of this senseless appetite it scorns God and His commandments, and forgets His generosity; it turns like a savage beast against its neighbour; it plunges the intelligence into darkness and prevents it from looking towards the truth. He who has acquired a spiritual understanding of this truth will share, even here on earth, in the kingdom of heaven and will live a blessed life in expectation of the blessedness that awaits those who love God.

(The Philokalia)