The only way to escape miseries of the world; what is the best asana?

Ramana

(from 'Talks with Sri Ramana Maharshi': Talk 532):

Question: Is there no way of escape from the miseries of the world?

Ramana Maharshi.: There is only one way and that consists in not losing sight of one's Self under any circumstances. To enquire "Who am I?" is the only remedy for all the ills of the world. It is also perfect bliss.

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(From 'Talks with Sri Ramana Maharshi': Talk 557):

Question: There are several 'asanas' mentioned. Which of them is the best?

Ramana Naharshi: 'Nididhyasana' (one-pointedness of the mind) is the best.