Bhagavad Gita 12.14
सन्तुष्टः सततं योगी यतात्मा दृढनिश्चयः। मय्यर्पितमनोबुद्धिर्यो मद्भक्तः स मे प्रियः।।12.14।।
santuṣṭaḥ satataṃ yogī yatātmā dṛḍhaniścayaḥ| mayyarpitamanobuddhiryo madbhaktaḥ sa me priyaḥ||12.14||
santushtah satatam yogi yatatma dridhanishcayah mayyarpitamanobuddhiryo madbhaktah sa me priyah12.14
Meaning
...that yogi who is ever content, self-controlled, of firm resolve, with mind and intellect dedicated to Krishna — such a devotee is dear to Krishna.
जो योगी सदा सन्तुष्ट, संयतचित्त और दृढ़निश्चयी है, तथा जिसने मन और बुद्धि मुझे अर्पित कर दिए हैं, ऐसा मेरा भक्त मुझे अत्यन्त प्रिय है।
This is verse 14 of 20 in Chapter 12 (Bhakti Yoga) of the Bhagavad Gita.