On the last day of the feast, the great day, Jesus stood up and proclaimed, "If any one thirst, let him come to me and drink. He who believes in me, as the scripture has said, 'Out of his heart shall flow rivers of living water.' " Now this he said about the Spirit, which those who believed in him were to receive. John 7:37-39a (RSV)
Our bodies contain the following percentages of water: muscles, 75%; blood, 92% ; bones, 22%; the enamel on our teeth, 2%. That liquid with two parts hydrogen and one part oxygen is indispensable for life. Three summers ago our scout troop hiked for ten days on the Philmont Ranch in New Mexico. We traveled light and our meals consisted of freeze-dried food. Several of us became dehydrated. We found the gradual squeezing of water from our bodies created fatigue.…