Not all teachers utilize both forms of light.In certain circles, those teachers who can manifest the light of samadhi but not the mystical light have put down the mystical light.
Frederick LenzTo feel that you are the Buddha of all times and places and that in some way the salvation of anyone, including yourself, depends upon you, I think there's a lot of ego involved in such a view, not much self-transcendence.
Frederick LenzInitially the student, in some traditions, is given a mantra, a particular word of power to focus on. While thoughts are cascading through your mind during meditation, you should be absorbed in the repetition of a mantra.
Frederick Lenz