This is part one of a talk Irina Tweedie gave in the 1960's. In this talk, she describes the powers latent in man, the gifts of a guru, the difference between yogic and divine powers. Part two is the second half of the talk. Look here on vimeo for it.
Irina Tweedie (1907, Russia - August 1999) was a Teacher of the Naqshbandiyya- Mujadiddiya Sufi Order.
Irina Tweedie is on Facebook. Please visit her page. thanks.