bhaktya yukto yoga-balena caiva|
bhruvor madhye pranam avesya samyak
sa tam param purusam upaiti divyam
(Attaining the Supreme ,Text 10, Chapter 8)
Meaning: One who, at the time of death, fixes his life air between the eyebrows and, by the strength of yoga, with an undeviating mind, engages himself in remembering the Supreme Lord in full devotion, will certainly attain to the Supreme Personality of Godhead.
Bhagavad Gita: Certainly attain to the Supreme Personality of Godhead (Attaining the Supreme,Text 10, Chapter 8)