Mandukya Karika 3.43
Sanskrit Verse
दुःखं सर्वमनुस्मृत्य कामभोगान्निवर्तयेत् ।
अजं सर्वमनुस्मृत्य जातं नैव तु पश्यति ॥ ४३ ॥
Transliteration
duḥkhaṃ sarvamanusmṛtya kāmabhogānnivartayet |
ajaṃ sarvamanusmṛtya jātaṃ naiva tu paśyati || 43 ||
Translation
The mind should be turned back from the enjoyment of pleasures, remembering that all this is attended with misery. If it be remembered that everything is the unborn (Brahman), the born (duality) will not be seen.

Muni's Play