Shiva Purana
शिवतत्त्वादिभूम्यंतं तत्त्वाध्वा समुदाहृतः ॥ षड्विंशत्संख्ययोपेतः शुद्धाशुद्धोभयात्मकः ॥ ४ ॥
The principles from Śivatattva to the earth constitute the paths of principles. They are twenty-six, both pure and impure.
english translation
zivatattvAdibhUmyaMtaM tattvAdhvA samudAhRtaH ॥ SaDviMzatsaMkhyayopetaH zuddhAzuddhobhayAtmakaH ॥ 4 ॥
hk transliteration by Sanscript