Rigveda 5.4.10
यस्त्वा॑ हृ॒दा की॒रिणा॒ मन्य॑मा॒नोऽम॑र्त्यं॒ मर्त्यो॒ जोह॑वीमि ।जात॑वेदो॒ यशो॑ अ॒स्मासु॑ धेहि प्र॒जाभि॑रग्ने अमृत॒त्वम॑श्याम्॥
yastvā hṛdā kīriṇā manyamāno'martyaṃ martyo johavīmi |jātavedo yaśo asmāsu dhehi prajābhiragne amṛtatvamaśyām ||
Our plain-language meaning of this verse is waiting for scholar review.