BG 13.8-12

Humbleness; freedom from hypocrisy; non-violence; forgiveness; simplicity; service of the Guru; cleanliness of body and mind; steadfastness; and self-control; dispassion toward the objects of the senses; absence of egotism; keeping in mind the evils of birth, disease, old age, and death; non-attachment; absence of clinging to spouse, children, home, and so on; even-mindedness amidst desired and undesired events in life; constant and exclusive devotion toward Me; an inclination for solitary places and an aversion for mundane society; constancy in spiritual knowledge; and philosophical pursuit of the Absolute Truth—all these I declare to be knowledge, and what is contrary to it, I call ignorance.

BG 16.1-3

The Supreme Divine Personality said: O scion of Bharat, these are the saintly virtues of those endowed with a divine nature—fearlessness, purity of mind, steadfastness in spiritual knowledge, charity, control of the senses, sacrifice, study of the sacred books, austerity, and straightforwardness; non-violence, truthfulness, absence of anger, renunciation, peacefulness, restraint from fault-finding, compassion toward all living beings, absence of covetousness, gentleness, modesty, and lack of fickleness; vigor, forgiveness, fortitude, cleanliness, bearing enmity toward none, and absence of vanity.

BG 16.7

Those possessing a demoniac nature do not comprehend which actions are proper and which are improper. Hence, they possess neither purity, nor good conduct, nor even truthfulness.

BG 17.14

When worship of the Supreme Lord, the Brahmins, the spiritual master, the wise, and the elders is done with the observance of cleanliness, simplicity, celibacy, and non-violence then this worship is declared as the austerity of the body.

BG 18.42

Tranquility, restraint, austerity, purity, patience, integrity, knowledge, wisdom, and belief in a hereafter—these are the intrinsic qualities of work for Brahmins.