Many Zen meditation teachers make this recommendation: 80 % of your attention is on the breath and 20% on anything else. Why this: because the breath is always available; because breath focus calms body, mind and spirit; because no experience is required to breathe.
Victor M. Parachin ...is a
Vedic educator, yoga instructor, Buddhist meditation teacher and author of a dozen books. Buy his books at amazon or your local bookstore.