Sankhya Kārika
Karika 46
ēṣa pratyayasargō viparyayāśaktituṣṭisiddhyākhyaḥ। guṇavaiṣamyavimardāttasya ca bhēdāstu pañcāśat ॥46॥
These various determinations like despair, weakness, complacency, perfection, and others are born from the mixture of qualities in various proportions. They are classified into fifty types.