RV 10.87.4
यज्ञैर् इषूः संनममानो अग्ने वाचा शल्यां अशनिभिर् दिहानः । ताभिर् विध्य हृदये यातुधानान् प्रतीचो बाहून् प्रति भङ्ध्य् एषाम् ॥
yajñair iṣūḥ saṃnamamāno agne vācā śalyāṃ aśanibhir dihānaḥ | tābhir vidhya hṛdaye yātudhānān pratīco bāhūn prati bhaṅdhy eṣām ||
Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.
Bending thy shafts through sacrifices, Agni, whetting their points with song as if with whetstones, Pierce to the heart therewith the Yatudhanas, and break their arms uplifted to attack thee.
Translated by Ralph T. H. Griffith (1896)