Bhagavad Gita · 2.44

भोगैश्वर्यप्रसक्तानां तयापहृतचेतसाम्।व्यवसायात्मिका बुद्धिः समाधौ न विधीयते॥

bhogaiśhvarya-prasaktānāṁ tayāpahṛita-chetasām vyavasāyātmikā buddhiḥ samādhau na vidhīyate

For those whose minds are carried away by such teachings, who are attached to pleasure and power, the resolute intellect is not established in samadhi.

— Bhagavad Gita 2.44

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