Shiva Purana
तत्रैव सर्वमेवेदं द्रष्टव्यं खलु साधकैः ॥ अध्वव्याप्तिमविज्ञाय शुद्धिं यः कर्तुमिच्छति ॥ २५ ॥
There, indeed, the seekers should see all this. Anyone who wishes to purify himself without understanding the extent of his journey.
english translation
tatraiva sarvamevedaM draSTavyaM khalu sAdhakaiH ॥ adhvavyAptimavijJAya zuddhiM yaH kartumicchati ॥ 25 ॥
hk transliteration by Sanscript