Isaiah 58:11
10 You must actively help the hungry and feed the oppressed. Then your light will dispel the darkness, and your darkness will be transformed into noonday. 11 The Lord will continually lead you; he will feed you even in parched regions. He will give you renewed strength, and you will be like a well-watered garden, like a spring that continually produces water. 12 Your perpetual ruins will be rebuilt; you will reestablish the ancient foundations. You will be called, ‘The one who repairs broken walls, the one who makes the streets inhabitable again.’
John 7:38
36 What did he mean by saying, ‘You will look for me but will not find me, and where I am you cannot come’?” 37 On the last day of the feast, the greatest day, Jesus stood up and shouted out, “If anyone is thirsty, let him come to me, and 38 let the one who believes in me drink. Just as the scripture says, ‘From within him will flow rivers of living water.’” 39 (Now he said this about the Spirit, whom those who believed in him were going to receive, for the Spirit had not yet been given because Jesus was not yet glorified.) 40 When they heard these words, some of the crowd began to say, “This really is the Prophet!”
Notes and References
"... Another citation formula which probably has several Old Testament passages in view is found in John 7:37-39. There are several disputed points in these three verses, but for the purposes of the present study we are only concerned with the citation formula and the words that follow it in 7:38. John 7:38 reads, “The one who believes in me, just as the Scripture says, rivers of living water will flow from his belly.” Again, several Old Testament texts seem to be in view here, among which are Isaiah 12:3; 43:19; 48:18; 49:10; 55:1; and 58:11. Since the words that follow the citation formula in John 7:38 do not precisely match any one Old Testament passage, it seems that Jesus is presented referring broadly to the promises of water that would flow in the messianic age. As can be seen from the number of Isaianic references, this water theme is prominent in Isaiah ..."
Hamilton, James The Influence of Isaiah on the Gospel of John (pp. 139-162) Perichoresis 5/2, 2007