What is yoga?What type of yoga do you teach?Do the SRF teachings include practice of Hatha Yoga postures?How can I learn more about Kriya Yoga and study the teachings of Paramahansa Yogananda?What do the Self-Realization Fellowship Lessons consist of?How can I realize my spiritual goals when my responsibilities in the world take up so much of my time?How do I know if I am making spiritual progress?May I also continue other spiritual studies and techniques while practicing those of SRF?Do you offer classes in meditation?When may I receive Kriya Yoga?Does one need to have a living guru in order to progress spiritually?Has anyone succeeded Paramahansa Yogananda in the line of SRF Gurus?Who is the current head of SRF/YSS?