Meditation is the central practice of spiritual development. Through meditation, the consciousness awakens and develops.
"To commence with the study of the technique of meditation is to enter into the antechamber of the divine peace that surpasses all knowledge." - Samael Aun Weor, The Revolution of the Dialectic
"Meditation should for the basis for compassionate action, for seizing the opportunity to do something. The meditator''s motivation, his sense of universal responsibility, should be expressed in deeds." - The 14th Dalai Lama
There is abundant information here about the precise science of meditation, whether from the persepective of Yoga, Buddhism, Taoism, or other traditions.