Bhagavad Gita · 10.10

तेषां सततयुक्तानां भजतां प्रीतिपूर्वकम्।ददामि बुद्धियोगं तं येन मामुपयान्ति ते॥

teṣhāṁ satata-yuktānāṁ bhajatāṁ prīti-pūrvakam dadāmi buddhi-yogaṁ taṁ yena mām upayānti te

To those who are ever devoted and who worship me with love, I give the yoga of understanding by which they come to me.

— Bhagavad Gita 10.10

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