Prashna Upanishad

Prashna Upanishad is attributed to sage Pippalada and is in the Gopatha Brahmana of the Atharva Veda.
This Upanishad gets its name from the word Prashna , which means “a Question” in Sanskrit.

When
one’s mind is peaceful,
the heart is loving,
basic needs are well taken care of,

Then
a question that arises is directly addressed by the Divine,
since it is addressed only to the Divine.

3rd Question
yaccittastenaiṣa prāṇamāyāti prāṇastejasā yuktaḥ ।
sahātmanā yathāsaṅkalpitaṃ lokaṃ nayati ॥ 3.10

3.10 This verse is a Maha Vakya. It is a Supreme statement. It states an inviolable truth.
At the hour of Death, the Thought predominant in the mind becomes the Basis for the new birth,
governs parameters like place of birth, parents, resources, happiness and further evolution.

This is easily verified by observing and noting down the last thought at bedtime.
First thought in the morning while getting up shall be the same.
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For the Sanskrit Enthusiast, each verse is given in Devanagari, with a Latin transliteration, and Padacheda.