Archana2345

Not study,not learning is the cause of the twice-born status(brahmin).
Only Conduct is the basis, there is no doubt about it.

- Mahabharata III.312.106

“O King of Serpents! He in whom are manifest truthfulness, charity, forbearance, good conduct, non-injury, austerity and compassion is a Brahmin according to the sacred tradition.”

 -Mahabharata III.180.20

“O Serpent!

 He, in whom this conduct is manifest is a Brahmin,

 he in whom this is absent treat all such as Sudra.”

 -Mahabharata III.180.27

“The gods consider him a Brahmin (a knower of Brahman) who has no desires, who undertakes no work, who does not salute or praise anybody (with a selfish motive), the fruits of whose deeds have exhausted and who maintains equanimity.”

-Mahabharata, XII.269.34 

“Vyasa, born of a dancing girl, became a great Rishi;

Hence, it is tapas that makes one a Brahmin, and not his birth.

Sakti, born of a Chandala woman, became a great Rishi.

Hence, it is tapas that makes one a Brahmin, and not his birth.

Parasara, born of SwapAki, became a great Rishi;

Hence, it is tapas that makes one a Brahmin, and not his birth.

Vyasa, born of a fisherwoman, became a great Rishi;

Hence, it is tapas that makes one a Brahmin, and not his birth.”

Note: Tapas = performance of austerities, pious deeds, meditation and adherence to truth.

 - Srimad Bhagvata Purana