Strengthen the hands that have gone limp, steady the knees that shake! ¹ 

But his bow will remain steady, and his hands ¹  will be skillful; because of the hands of the Mighty One of Jacob, because of ²  the Shepherd, the Rock ³  of Israel,

When ¹  the hands of Moses became heavy, ²  they took a stone and put it under him, and Aaron and Hur held up his hands, one on one side and one on the other, ³  and so his hands were steady ⁴  until the sun went down.