Agnus_Dei said:
The Greek word ekklesia is translated as Church, but it most literally means "assembly." Solomon was King of the Assembly of Israel, and we call one of his books Ecclesiastes in reference to this.
The OT was written in Hebrew, not Greek. There was no ekklesia in the OT. It is a NT word. You are off topic or trying to go off on a red herring.
God's Church, His Assembly, is His Body (1 Cor. 12:12-13). This is so much so, that when Christ rebuked Saul on the way to Damascus "Saul, Saul, why persecuteth thou Me?" (Acts 9:4) when he was persecuting the faithful.
Acts 8:1 And Saul was consenting unto his death. And at that time there was a great persecution against
the church which was at Jerusalem; and they were all scattered abroad throughout the regions of Judaea and Samaria, except the apostles.
--He persecuted one church--the ekklesia which was at Jerusalem. It was a local assembly. Read your Bible.
Christ established the Church at Pentecost when He sent down the Holy Spirit (Acts 2:1ff).
You might call it that, but I don't. More accurately this is the Dispensation of Grace, or perhaps "the Age of the Churches." Paul, on three missionary journeys established over one hundred churches. He didn't establish "A Church." The church at Pentecost was the church at Jerusalem. It was one church, a local church, and on that day there were three thousand souls added to that church. It was a historical event that will never again be repeated in history.
Christ promised that the power of Hades, the power of death, would never overcome it (Mt. 16:18).
Christ was speaking to his Apostles. You just admitted that the church started on the Day of Pentecost, so he must be speaking in general or generic terminology here.
For example we say: "Man" has sinned. What man? Jack? Joe? Jim? Which one? The word is in the singular, but it used to represent all men.
When Jesus used the word "church" he used it generically--in the singular to represent all Biblically-based churches. The gates of hell will not prevail against all Biblically-based local churches. This of course automatically excludes the RCC and the Orthodox who do not have the Bible as their base or foundation. They have opened wide the doors of Hell to their churches. Their plan of salvation is a salvation of works and not of grace through faith.
Christ promised us that the Holy Spirit would guide His Church into all truth (Jn. 16:13).
That is not what that verse says. The word ekklesia isn't even used there. Jesus is speaking to his Apostles and that is all. You are reading into Scripture things that are not there.
Because of these things, the Apostle Paul promised that the Church is the very foundation of Truth (1 Tim. 3:15).
Paul promised Timothy, the pastor of the church of Ephesus that his ekklesia, or assembly was the pillar and foundation of the truth. Every local church needs to be the pillar and foundation of the truth in their own community. If it is not that particular local church is utterly useless to the Lord.
Because of this guidance, the Church is our ground and guide in faith. It is our assurance of the Scripture (2 Tim. 3.14-17) and in all other matters of faith.
ICXC NIKA
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It is the local church, relying on sola scriptura, that becomes the pillar and ground of the truth. It is the ground of the truth. Its foundation is the Word of God. Everything that it says or preaches is based on the Word of God (not tradition). It is the pillar of the truth. As it sends forth the Word, it, like a pillar upholds God's Word to the community so that all the community will hear it. It is evangelistic in its very nature. Every local church needs to be this way.