The Yoga Sutra's of Patanjali.

 1.1 Now, instruction in Union.

1.2. Union is restraining the thought-streams natural to the mind.

1.3. Then the seer dwells in his own nature.

1.4. Otherwise he is of the same form as the thought-streams.

1.5. The thought-streams are five-fold, painful and not painful.

1.6. Right knowledge, wrong knowledge, fancy, sleep and memory.

1.7. Right knowledge is inference, tradition and genuine cognition.

1.8. Wrong knowledge is false, illusory, erroneous beliefs or notions.

1.9. Fancy is following after word-knowledge empty of substance.

1.10. Deep sleep is the modification of the mind which has for its substratum nothingness.

1.11. Memory is not allowing mental impressions to escape.

1.12. These thought-streams are controlled by practice and non-attachment.

1.13. Practice is the effort to secure steadiness.

1.14. This practice becomes well-grounded when continued with reverent devotion and without interruption over a long period of time.

1.15. Desirelessness towards the seen and the unseen gives the consciousness of mastery.

1.16. This is signified by an indifference to the three attributes, due to knowledge of the Indweller.

1.17. Cognitive meditation is accompanied by reasoning, discrimination, bliss and the sense of 'I am.'

1.18. There is another meditation which is attained by the practice of alert mental suspension until only subtle impressions remain.

1.19. For those beings who are formless and for those beings who are merged in unitive consciousness, the world is the cause.

1.20. For others, clarity is preceded by faith, energy, memory and equalminded contemplation.

1.21. Equalminded contemplation is nearest to those whose desire is most ardent.

1.22. There is further distinction on account of the mild, moderate or intense means employed.

1.23. Or by surrender to God.

1.24. God is a particular yet universal indweller, untouched by afflictions, actions, impressions and their results.

1.25. In God, the seed of omniscience is unsurpassed.

1.26. Not being conditioned by time, God is the teacher of even the ancients.

1.27. God's voice is Om.

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