Sushruta Samhita
सन्धौ वर्त्मनि शुक्ले च कृष्णे सर्वत्र दृष्टिषु । संविज्ञानार्थमध्याया गदानां तु प्रति प्रति ॥३१॥
In the context of the three times (dawn, noon, and night), and on the white and black days, in all visions, the chapters related to the knowledge of the essence of the text are enumerated in detail.
english translation
sandhau vartmani zukle ca kRSNe sarvatra dRSTiSu । saMvijJAnArthamadhyAyA gadAnAM tu prati prati ॥31॥
hk transliteration by Sanscript