Sirach 43:10-12

Revised Standard Version

¹⁰ At the command of the Holy One they stand as ordered,
    they never relax in their watches.
¹¹ Look upon the rainbow, and praise him who made it,
    exceedingly beautiful in its brightness.
¹² It encircles the heaven with its glorious arc;
    the hands of the Most High have stretched it out.