Mysticism & Meditation

Be sober, be vigilant; because your adversary the devil walks about like a roaring lion, seeking whom he may devour. 1 Peter 5:8 

Mysticism Definition 
  1. belief that union with or absorption into the Deity or the absolute, or the spiritual apprehension of knowledge inaccessible to the intellect, may be attained through contemplation and self-surrender.
    "St. Theresa's writings were part of the tradition of Christian mysticism"
  2. belief characterized by self-delusion or dreamy confusion of thought, especially when based on the assumption of occult qualities or mysterious agencies.
    "there is a hint of New Age mysticism in the show's title"
    Meditation Definition 
    1 the action or practice of meditating."a life of meditation"
    2 synonyms:
    3 contemplation , thought, thinking, musing, pondering, consideration, reflection, prayer, deliberation, study, rumination, cogitation, brooding, mulling over, reverie, brown study, concentration, speculation; rare cerebration "cultivating the presence of God in meditation and prayer"
    4 a written or spoken discourse expressing considered thoughts on a subject.plural noun: meditations
    "his later letters are intense meditations on man's exploitation of his fellows"