18:60  

स्वभावजेन कौन्तेय निबद्धः स्वेन कर्मणा ।
कर्तुं नेच्छसि यन्मोहात्करिष्यस्यवशोऽपि तत् ॥१८- ६०॥

Transliteration

swabhaawajena kaunteya nibaddhaH swena karmaNaa ।

kartuM nechChasi yanmohaatkariShyasyawasho'pi tat ॥१८- ६०॥

Translation

O son of Kunti, bound by your own acts arising from [your] natural disposition,
You shall do exactly that which you do not wish to do, helpless, out of delusion.

Translation

What you do not wish to do out of delusion; you shall do even that against your will, bound by your own nature-born Karma, O Arjuna.

Translation

Under illusion you are now declining to act according to My direction. But, compelled by your own nature, you will act all the same, O son of Kunti.