Hiraṇyakaśipu murmured to himself, “Lord Viṣṇu, who possesses great mystic power, has made this plan to kill me, but what is the use of such an attempt? Who can fight with me?” Thinking like this and taking up his club, Hiraṇyakaśipu attacked the Lord like an elephant.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
दुरासदं सर्वनिजेतरायुध- प्रवेकविद्रावितदैत्यदानवम् । प्रायेण मेऽयं हरिणोरुमायिना वधः स्मृतोऽनेन समुद्यतेन किम्
durāsadaṃ sarvanijetarāyudha- pravekavidrāvitadaityadānavam | prāyeṇa me'yaṃ hariṇorumāyinā vadhaḥ smṛto'nena samudyatena kim
SB 7.8.23