18:61  

ईश्वरः सर्वभूतानां हृद्देशेऽर्जुन तिष्ठति ।
भ्रामयन्सर्वभूतानि यन्त्रारूढानि मायया ॥१८- ६१॥

Transliteration

iishwaraH sarwabhootaanaaM hRRiddeshe'rjuna tiShThati ।

bhraamayansarwabhootaani yantraarooDhaani maayayaa ॥१८- ६१॥

Translation

The lord abides in the hearts of all beings, O Arjuna,
All meandering beings affixed to a revolving machine by illusion.

Translation

The Lord abides in the heart of all beings, O Arjuna, causing all beings to act (or work out their Karma) by His power of Maya as if they are (puppets of Karma) mounted on a machine.

Translation

The Supreme Lord is situated in everyone's heart, O Arjuna, and is directing the wanderings of all living entities, who are seated as on a machine, made of the material energy.