At present there are only three standard Sānkhya treatises available: Sānkhya Sūtra, Tattva Samāsa and Sāṁkhya Karika of Īśvara Kṛṣṇa. Sānkhya Karika have 72 Karikas or short, concise philosophical aphorisms in it. You can read them following the links below together with ample commentaries of one of the most authoritative ancient philosophers and commentators - Vācaspati Miṣra.

Sānkhya Aphorisms of Kapila in 6 Books to read online. The illustrious sage, Kapila, the teacher of man and of Buddha Śākyamuni, said: Well, the complete cessation of pain [which is] of 3 kinds is the complete end of man. The effectuation of complete cessation of pain is not to be expected by means of the visible [such as wealth, etc.]; for we see the

Sāṁkhya Karika of Īśvara Kṛṣṇa with commentaries of Śrī Nārāyaṇa Tirtha (1675-1745) called Sānkhya Chandrika. Śrī Nārāyaṇa Tirtha was also a great Sanskrit scholar who has written commentaries on several fundamental Hindu philosophical treatises like the Sānkhya Karika, Yoga Sutra and Sānkhya Tattva Kaumudi.

Sāṁkhya Karikas with Gauḍapāda commentaries. Gauḍapāda – Āchārya was a Hindu teacher and philosopher and was living in 7th century. He is considered to be the first historically known teacher of Advaita Vedanta in our age and the founder of Advaita Vedanta Lineage, which later was made famous by his disciple Shankara – Āchārya.