Breath as prayer: ānāpānasati, hesychasm and dhikr
Buddhism, Orthodox Christianity and Sufism make the breath a path of attention and prayer. Similarities, differences and a simple exercise.
Meditation and contemplation
Knowledge, devotion, action: the paths of liberation in Hinduism
There is no single way to seek liberation: the Bhagavad Gītā and yoga point to different paths for different temperaments.