第二口井——为以撒的井
赞美主，有另一口井，就是为以撒的井（创二一22-34）。在圣经中有许多经节说到这口正面的井。诗篇三十六篇八节说，“你也必叫他们喝你乐河的水。”主耶稣在约翰四章十四节说，“人若喝我所赐的水，就永远不渴；我所赐的水，要在他里面成为泉源，直涌入永远的生命。”这意思是神自己要作我们的生命。主耶稣在约翰七章三十七和三十八节也说到喝：“人若渴了，可以到我这里来喝。信入我的人，就如经上所说，从他腹中要流出活水的江河来。”在林前十二章十三节使徒保罗也说，我们都得以喝一位灵，就是喝一口水井。甚至圣经末了一章说：“那灵和新妇说，来！听见的人也该说，来！口渴的人也当来；愿意的都可以白白取生命的水喝。”（启二二17）。
虽然基督已经生出，已经长大，但在教会生活中，我们必须晓得有两个源头或两种生活。你所有的是怎样的生活？是以实玛利的生活，还是以撒的生活？仅仅说你有以撒的生活还不够。你必须察验，你天天所喝的是怎样的水。你是喝以实玛利井的水么？若是这样，那井就会使你成为以实玛利，并把你飘到世界里。你是喝以撒井的水么？这井表征神圣的井，基督的井，那灵的井。
在别是巴靠近非利士地（创二一25-32）——这井与为以实玛利的井不同，不是靠近埃及，乃是在非利士地和迦南美地的边界。别是巴在非利士地，后来成为圣地的最南端。
七只母羊羔的代价－基督完全的救赎（创二一28-30）——亚伯拉罕所挖的这井失去了，为亚比米勒的仆人所霸占。然后亚伯拉罕以七只母羊羔的代价赎回来。在豫表里，这些羊羔表征基督完全的救赎，指明基督完全的救赎已经赎回、买回神圣的活水。今天全人类都是凭着未蒙救赎的源头活着，我们却是凭着蒙救赎的源头活着。今天我们所喝的活水不是天然的，乃是基督完全救赎的代价所赎回来的。
凭着约－新约（创二一31-32）——这里的约乃是新约的种子。今天我们的活水不仅是蒙救赎的水，也是立约的水。以实玛利喝野水，那是没有蒙救赎，没有立约的水。以撒所喝的水，都是蒙救赎的水，立约的水。
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Two Wells – Two Source of Living (2) – Gen. 21:30-31
The Second Well — The Well for Isaac
Praise the Lord, there is another well, which is the well for Isaac (Gen. 21:22-34). Many verses in the Bible speak of this positive well. Psalm 36:8 says, “And You give them to drink of the river of Your delights.” The Lord Jesus said in John 4:14, “But whosoever drinks of the water that I will give him shall never thirst; but the water I will give him swill become in him a well of water springing up to eternal life.” This means God Himself intends to be our life. The Lord Jesus also spoke of drinking in John 7:37 and 38: “If any one is thirst, let him come to Me and drink. He who believes in Me, as the Scripture said, ‘From his innermost being will flow rivers of living water.’” In 1 Corinthians 12:13, the Apostle Paul also said that we have all been made to drink of one Spirit, that is, to drink of one well. Even the last chapter of the Bible says, “And the Spirit and the bride say, ‘Come’. And let the one who is thirsty come; let the one who wishes take the water of life without cost” (Rev. 22:17).
Although Christ has been born and has grown up, in the church life we must realize there are two sources or two kinds of living. What kind of life do you have? Is it the life of Ishmael or the life of Isaac? It is not enough merely to say that you have the life of Isaac. You must check what kind of water you are drinking daily. Are you drinking the water of Ishmael’s well? If so, that well will make you an Ishmael and drift you into the world. Are you drinking the water of Isaac’s well? This well signifies the divine well, the well of Christ, the well of the Spirit.
At Beer-sheba near the land of the Philistines (Gen. 21:25-32) — This well is different from the well for Ishmael; it is not near Egypt but on the border of the land of the Philistines and the good land of Canaan. Beer-sheba was in the land of the Philistines and later became the southernmost part of the Holy Land.
The Price of Seven Ewe Lambs — Christ’s Complete Redemption (Gen. 21:28-30) — The well Abraham dug was lost, seized by Abimelech’s servants. Then Abraham redeemed it back at the price of seven ewe lambs. In typology, these lambs signify Christ’s complete redemption, indicating that Christ’s complete redemption has redeemed and bought back the divine living water. Today all mankind lives by an unredeemed source, but we live by a redeemed source. The living water we drink today is not natural; it is bought back by the price of Christ’s complete redemption.
By a Covenant — The New Covenant (Gen. 21:31-32) — The covenant here is a seed of the new covenant. Today our living water is not only redeemed water but also covenanted water. Ishmael drank wild water, which was water without redemption and without a covenant. The water Isaac drank was water with redemption and with a covenant.