KathaUpanishad

using his body. Due to this Aruni did not return to the hermitage in the night. Later in the
morning, Dhaumya Muni came to the spot in search of Aruni with other disciples. Upon
seeing the dedication and sincerity of Aruni, Dhaumya was very pleased upon Aruni and
gave him the title Uddalaka. Later Aruni became very famous under the name Uddalaka
Aruni.
Several other scriptures have references to the sage Uddalaka Aruni.
In the Katha Upanishad, Uddalaka Aruni has been portrayed as a very learned sage
who had performed numerous yajnas and sacrifices. Uddalaka Aruni was also called
Vajashravas because he organized innumerable community feeding programs.
Vajashravas had one negative quality as he had no control over his anger and flew into
uncontrollable rage at trifles. His wife was Vishwavaradevi. The son of Vajashravas was
the great young seeker Nachiketa. In a heat of rage Vajashravas had given Nachiketa
to Yama, the death.
Many Mahavakyas are ascribed to sage Uddalaka Aruni. Among those,
"That is in You"
3