Mandala 10, Hymn 39, Verse 1
यो वां॒ परि॑ज्मा सु॒वृद॑श्विना॒ रथो॑ दो॒षामु॒षासो॒ हव्यो॑ ह॒विष्म॑ता श॒श्व॒त्त॒मास॒स्तमु॑ वामि॒दं व॒यं पि॒तुर्न नाम॑ सु॒हवं॑ हवामहे
"As 'twere the name of father, easy to invoke, we all assembled here invoke this Car of yours, Aṣvins, your swiftly-rolling circumambient Car which he who worships must invoke at eve and dawn."