Qualities of Brahmana

SB 7.11.21
samo damas tapah saucam
santosah ksantir arjavam
jnanam dayacyutatmatvam
satyam ca brahma-laksanam

samah--control of the mind; damah--control
of the senses; tapah--austerity and penance;
saucam--cleanliness; santosah--satisfaction;
ksantih--forgiveness (being unagitated by anger);
arjavam--simplicity; jnanam--knowledge; daya--mercy;
acyuta-atmatvam--accepting oneself as an eternal
servant of the Lord; satyam--truthfulness; ca--also;
brahma-laksanam--the symptoms of a brahmana.

The symptoms of a brahmana are control of the
mind, control of the senses, austerity and penance,
cleanliness, satisfaction, forgiveness, simplicity,
knowledge, mercy, truthfulness, and complete surrender
to the Supreme Personality of Godhead.

PURPORT
In the institution of varnasrama-dharma, the
symptoms of a brahmana, ksatriya, vaisya, sudra,
brahmacari, grhastha, vanaprastha, and sannyasi are
all described. The ultimate aim is acyutatmatvam--to
think always of the Supreme Personality of Godhead,
Krsna, or Visnu. To make advancement in Krsna
consciousness, one has to become a brahmana, with
the above-mentioned symptoms.

Please compare the above sloka with BGita 18.42

samo damas tapah saucam
ksantir arjavam eva ca
jnanam vijnanam astikyam
brahma-karma svabhava-jam

samah-peacefulness; damah-self-control;
tapah-austerity; saucam-purity; ksantih-tolerance;
arjavam-honesty; eva-certainly; ca-and;
jnanam-knowledge; vijnanam-wisdom;
astikyam-religiousness; brahma-of a brahmana;
karma-duty; svabhava-jam-born of his own nature.

Peacefulness, self-control, austerity, purity,
tolerance, honesty, knowledge, wisdom and
religiousness-these are the natural qualities by
which the brahmanas work.