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If you put something fragrant on to burning coals, you motivate those who approach to come back again and to stay near, but if instead you put on something with an unpleasant, oppressive smell, you repel them and drive them away. It is the same with the mind. If your attention is occupied with what is holy, you make yourself worthy of being visited by God, since this is the sweet savour which God catches scent of. On the other hand, if you nurture evil, foul and earthly thoughts within you, you remove yourself from God's supervision and unfortunately make yourself worthy of His aversion.

Saint Gregory Palamas, Christopher Veniamin, Monastery of St. John the Baptist (Essex, England) (2009). “The homilies”, Mount Thabor Pub
If you put something fragrant on to burning coals, you motivate those who approach to come back again and to stay near, but if instead you put on something with an unpleasant, oppressive smell, you repel them and drive