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Speaking In Unknown Tongues. RCCG Sunday School Manual.


Memory Verse: “And these signs shall follow them that believe; in my name shall they cast out devils; they shall speak with new tongues”– Mark 16:17.


Bible Passage: Acts 19:1-6.


Our Lord Jesus Christ declared that the ability to speak with new tongues shall be one of the signs that follow everyone who believes in Him (Mark 16:17). While every believer receives the Holy Spirit at the point of conversion (Acts 2:28),  believers are expected to continue to thirst and hunger for the infilling of the Holy Spirit (Luke 24:29). Speaking in tongues is a divine language manifested when one is baptised with the Holy Spirit. The ability to speak in an unknown tongue is one of the outward (physical) evidence of the overflow of the Holy Spirit in the life of a believer (Acts 2:4). In this lesson, we shall attempt to answer some of the mind-boggling questions about speaking in unknown tongues and its benefits. 



  1. Speaking in an unknown tongue and the gift.
  2. Benefits of peaking in unknown tongues. 


The ability to speak in an unknown tongue, as well as the gift of diverse kinds of tongues, is given by the Holy Spirit. It is distinctive of the present Holy Spirit dispensation and it began with the outpouring of the Holy Spirit on the day of Pentecost. It is not to be bought with money or learnt.

However, we need to distinguish between the two. While every believer is expected to speak in an unknown tongue (Acts 19:1-6) not all may receive the gift of diverse kinds of tongues (1 Cor. 12;10). Note that both can take place simultaneously for some believers, as happened to the disciples on the day of Pentecost (Acts 2:4-12). When a believer speaks in an unknown tongue, he speaks mysteries (unto God) which cannot be understood by men (1 Cor. 14;2), however, God can speak through one with the gift of diverse kinds of tongues to men with interpretations where necessary (Acts 2:4-6). Speaking in an unknown tongue is for self-edification (1 Cor. 14:4) while diverse kinds of tongues (when interpreted) edify the church or those around (Acts 2:7-10).


Benefits Of Speaking In Unknown Tongues 

The following are some of the benefits of speaking in unknown tongues:

  1. It improves a believer’s prayer life: Supernatural ability to communicate with God effectively and intercede for others well (Romans 8:26; 1 Cor. 14:2). 
  2. Self-edification: It stirs up a believer’s faith (1 Cor. 14:4; Jude 20). 
  3. It is a means of yeilding our tongue to God. No man can tame the tongue but God (James 3:8). By the Holy Spirit, the whole body can change, including the tongue.
  4. It is a weapon of spiritual warfare (1 Cor. 14:2). 
  5. It assists believers to sing, praise and give thanks to God (1 Cor. 14:15). 


Speaking in an unknown tongue is a fulfilment of the promise of God and it is for all believers who would just desire it but fully tap into the benefits irrespective of their church denominations, tribe or nations. 



  1. Give reasons believers should speak in an unknown tongue.
  2. Mention four (4) benefits of speaking in an unknown tongue.   


Identify and write five (5) differences between speaking in an unknown tongue and the gift of a diverse kind of tongue (2×5=10 Marks).


Action Point
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I know you might agree with some of the points that I have raised in this article. You might not agree with some of the issues raised. Let me know your views about the topic discussed. We will appreciate it if you can drop your comment. Thanks in anticipation.


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