一个不通电的灯泡，既失去了该有的功用，也失去了存在的意义。同样的，你的人生所以感觉缺乏意义，就是因为在你心灵深处，没有神同在。你这个人的深处，缺少一位主。结果，你的人生没有中心，你的人生没有达到最高目的。你是在人生大海里飘摇的。东一个说法，你就往东去；西一个讲论，你就向西走。你内心深处没有一个中心，乃是由于你里面缺少一位主，缺少一位神。所以，当你遇到试炼时，你不能应付；遇到引诱时，你无法胜过；遇到黑暗时，你没有法子不倒下去；碰到败坏的事，你也毫无能力不沾染。这一切原因都在于你里面缺少一个中心；这个中心就是神自己。
不仅如此，因着你里面缺少这个中心，你的人生不只没有意义，并且是飘摇、飘浮的；你的人生毫无目标与方向。结果，你在里面没有满足，在外面没有目标。你若是安静一段时间，特别在夜深人静时，好好把自己的人生摸摸看，把自己的前途仔细想过，你就会感觉到，因着缺乏神，一切都毫无意义。那时，你自然会发出一个问题：“我在宇宙间存在的意义是什么？我今天在这里作什么？我将来又要到哪里去？我的结局又是如何？”恐怕没有什么人能答复这个问题。你所以不能答复，乃是因为你里面没有这位作中心的主，你缺少神在你里面。
神作人的中心，成为人福音的动力
我们这一班基督徒，所以有一股热心、动力，愿意把主耶稣传给别人，就是因为我们里面有祂作我们的中心。我们里面的空隙，祂填满了；我们里面的需要，祂应付了。在基督徒里面有一个动力。这个动力不是人自己有的，乃是神在人里面作这个动力。我们基督徒所以有热心、有动力传福音，要向亲朋好友作见证，传扬主耶稣，把主耶稣送给各位，不是由于我们本身，也不是出于我们自己。我们里面的那一个动力，是由于主耶稣在我们里面，转为我们的动力。福音的动力不是出于我们，也不是在于我们，乃是基督在我们里面推动我们而有的。因这缘故，我们常有“发烧”的感觉，烧到一个地步，好像不对人传讲主耶稣就受不了。我们里面像是一团火在焚烧，非把我们福音的负担挑旺起来不可。其实，不是我们有热心，乃是主感动我们，是祂推动我们。祂要我们向每一位亲友传福音，告诉他们：“你的人生和每一个人的人生一样，所需要的就是这位宇宙的主。没有主，你的人生没有意义，没有目标。有了主，你就有喜乐，有满足。”
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The Meaning of Human Life – John 4:24
A light bulb that is not connected to electricity loses both its intended function and the meaning of its existence. Similarly, if you feel that your life lacks meaning, it is because, deep in your heart, God is not present. In the depths of your being, you lack Lord. As a result, your life has no center, and you have not achieved its highest purpose. You are like a ship adrift on the vast sea of life. A suggestion from the east sends you eastward; a theory from the west leads you westward. The absence of a center in your heart stems from the lack of Lord, a God, within you. When trials come, you are unable to cope; when temptations arise, you cannot overcome them. In moments of darkness, you lack the strength to stand firm; when faced with corruption, you are powerless to avoid being tainted. All of this happens because you lack a central anchor in your life. This center is God Himself.
Furthermore, because this center is missing, your life not only lacks meaning but is also aimless and adrift. Your life has no clear goal or direction. As a result, you find no satisfaction within and no purpose externally. If you take some quiet time, especially in the stillness of the night, to reflect deeply on your life and carefully consider your future, you will feel the utter meaninglessness of everything due to the absence of God. At that point, you will naturally begin to ask yourself, “What is the purpose of my existence in this universe? What am I doing here today? Where am I heading in the future? What will be my ultimate end?” Likely, no one can provide an answer to these questions. And the reason you cannot answer them yourself is that you lack this central Lord within you – you lack God.
God as the Center of Man, the Driving Force of the Gospel
As Christians, we possess a zeal and a driving force to share the Lord Jesus with others because He is our center. He fills the void within us and meets our innermost needs. Inside every Christian, there is a driving force. This force does not originate from ourselves but from God dwelling within us as this driving power. This is why we Christians are passionate and motivated to share the gospel, to bear witness to friends and family, to proclaim the Lord Jesus, and to bring Him to you. It is not due to ourselves or anything inherent in us. The driving force within us comes from the Lord Jesus within us, turning into our motivation. The power of the gospel does not arise from us nor rest in us; it is Christ within us who compels and moves us. Because of this, we often feel a “burning” within – a fire so intense that it seems unbearable not to speak of the Lord Jesus to others. It is as if a flame burns within us, compelling us to ignite the burden of sharing the gospel. In truth, it is not our passion but the Lord who moves us, who drives us. He urges us to share the gospel with every friend and family member, telling them: “Your life, like every person’s life, needs this Lord of the universe. Without the Lord, your life has no meaning and no purpose. But with the Lord, you will find joy and fulfillment”.