Rigveda 1.18.7

यस्मा॑दृ॒ते न सिध्य॑ति य॒ज्ञो वि॑प॒श्चित॑श्च॒न ।स धी॒नां योग॑मिन्वति॥

yasmādṛte na sidhyati yajño vipaścitaścana |sa dhīnāṃ yogaminvati ||

Our plain-language meaning of this verse is waiting for scholar review.