Samkhya Karika 70

एतत् पवित्रमग्र्यं मुनिरासुरयेऽनुकम्पया प्रददौ ।
आसुरिरपि पञ्चशिखाय तेन बहुधाकृतं तन्त्रम् ॥ ७०॥

etat pavitramagryaṃ munirāsuraye’nukampayā pradadau ।
āsurirapi pañcaśikhāya tena bahudhākṛtaṃ tantram ॥ 70॥

Etat=this; pavitram=pure; agryaṃ=foremost; muniḥ=Sage (Kapila); āsuraye=for Asuri; anukampayā=out of compassion; pradadau=imparted; āsuriḥ=Asuri; api=too; pañcaśikhāya=to Panchshikā; tena=by him; bahudhākṛtaṃ=for many more; tantram=knowledge;

This knowledge which is foremost and pure was imparted by Sage Kapila to Asuri out of compassion, and by Asuri to Panchshikha who gave it to many more.