Ramayana
वर्तमाने तथाभूते यज्ञे च परमाद्भुते । सशिष्य आजगामाशु वाल्मीकिर्मुनिपुङ्गवः ॥ 7-93-1 ॥
While that supremely wondrous sacrifice was thus proceeding, Valmiki, the foremost of sages, swiftly arrived together with his disciples.
english translation