“With joy you will draw water from the wells of salvation. And you will say in that day: ‘Give thanks to the Lord, call upon his name, make known his deeds among the peoples, proclaim that his name is exalted. Sing praises to the Lord, for he has done gloriously; let this be made known in all the earth.'” (Isaiah 12:3-5)
In the previous chapter Isaiah prophesied of the coming of the Messiah and His awesome kingdom. In that day, we will offer Him ecstatic praise. What else can we do when all these things come to pass? We will be praising and rejoicing for eternity. The first reason we praise Him is because we want to thank Him for His deliverance and salvation. Then we want to praise Him as a community of faith, of believers bound together with Him. The unity and peace which all humanity longs for will be ours In that day.
Those who come to Him and drink of these waters find strength, wisdom and new life for ever and ever. Thus salvation and eternal life are found no where else in the universe but in this well of life. This is what we declare to the nations. We praise God that they might hear the Good News of life that is in no other but in Him. We have found the greatest news, the meaning and purpose of life and we must share it with others before it is too late. If we do not tell them the good news then they will perish. The joy we have in the Lord enables us to preach the gospel to everyone we meet.