Srimad-Bhagavatam: Canto 1 - Chapter 1 - Verse 18
Sanskrit:
चतुर्दशं नारसिंहं बिभ्रद्दैत्येन्द्रमूर्जितम् ।ददार करजैरूरावेरकां कटकृद्यथा ॥ १८ ॥
ITRANS:
caturdaśaṁ nārasiṁhaṁbibhrad daityendram ūrjitamdadāra karajair ūrāverakāṁ kaṭa-kṛd yathā
Translation:
In the fourteenth incarnation, the Lord appeared as Nṛsiṁha and bifurcated the strong body of the atheist Hiraṇyakaśipu with His nails, just as a carpenter pierces cane.