Sufi 40 steps to attend enlightenment: intention, conversion, repentance, discipleship, spiritual struggle, constant attention, patience, invocation, contentment, the carnal soul, agreement, surrender, confidence, asceticism, worship, abstention, sincerity, truthfulness, fear, hope, annihilation, subsistence, the science of certainty, the truth, of certainty, gnosis, effort, sanctity, love, ecstacy, proximity, meditation, union, unveiling, service, catharsis, aloneness, expansion, ascertaining of the Truth, + other 2 which I could not find.
Sufi Essays, Seyyed Hossein Nasr