Do not give way to any sort of doubt. The Knowledge which is described in the system of the Sankhyas is considered all the highest. That knowledge is immutable and is eternal. It is eternal Brahma.
अत्र ते संशयो मा भूज्ज्ञानं सांख्यं परं मतम्। अक्षरं ध्रुवमेवोक्तं पूर्ण ब्रह्म सनातनम्॥