Bhagavad Gita · 13.8

अमानित्वमदम्भित्वमहिंसा क्षान्तिरार्जवम्।आचार्योपासनं शौचं स्थैर्यमात्मविनिग्रहः॥

amānitvam adambhitvam ahiṁsā kṣhāntir ārjavam āchāryopāsanaṁ śhauchaṁ sthairyam ātma-vinigrahaḥ

Humility, unpretentiousness, non-violence, patience, simplicity, service to the teacher, purity, steadfastness, and self-control —

— Bhagavad Gita 13.8

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)