Ramayana
मनोजवं कामगमं कामरूपं विहङ्गमम् । मणिकाञ्चनसोपानं तप्तकाञ्चनवेदिकम् ॥ 7-15-40 ॥
swift as thought, going at will, taking any form at will, coursing through the sky, with stairways of jewels and gold and platforms of refined gold,
english translation