Rigveda 4.45.4
हं॒सासो॒ ये वां॒ मधु॑मन्तो अ॒स्रिधो॒ हिर॑ण्यपर्णा उ॒हुव॑ उष॒र्बुध॑: ।उ॒द॒प्रुतो॑ म॒न्दिनो॑ मन्दिनि॒स्पृशो॒ मध्वो॒ न मक्ष॒: सव॑नानि गच्छथः॥
haṃsāso ye vāṃ madhumanto asridho hiraṇyaparṇā uhuva uṣarbudha: |udapruto mandino mandinispṛśo madhvo na makṣa: savanāni gacchathaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.