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Speaking In Unknown Tongues. RCCG Sunday School Teachers.


Previous Knowledge: The Teacher should allow one of the students to review the lesson for the previous week. 

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.

Opening Prayer

Father, help me to understand what is available to me by speaking in the Holy Ghost. 

Bible Verse: Acts 19:1-6. 


To study speaking in an unknown tongue.

Teaching Objectives

Through this study, students are expected to:

i. Understand the manifestation and distinctions of new tongue.

ii. Discover the benefits of speaking in an unknown tongue.


To achieve the above-stated objectives, the teacher should:

a. Allow the students to recite the memory verse, read the Bible Passage, contribute to the discussion, and do class activities, and assignments. 

b. Allow the Assistant Teacher to see to the well-being of the class, and mark attendance, and assignments. 

c. Teach the lesson outlines, summarise, conclude, evaluate the lesson and give assignments. 

TEXT REVIEW: Hebrews 13:15-16.

In the above text, the writer admonishes believers to offer two kinds of spiritual sacrifice. 

i. The sacrifice of………….v15a.

That is……………………..v15b.

ii. The sacrifice of ……………………….v16a.


TEACHING METHOD: The Lecture Method.

Time Management: The Teacher should apply two-lesson outlines of teaching time. 



A. The ability to speak in an unknown tongue, as well as the gift of diverse kinds of tongues, is given by the Holy Spirit.

i. It is distinctive of the present Holy Spirit dispensation and it began with the outpouring of the Holy Spirit on the day of Pentecost. Acts 2:1-4.

ii. It is not to be bought with money or learnt.

B. 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). 

i. 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). 

ii. 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).

iii. 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).

CLASS ACTIVIty 1: Why do you think some people mock those who speak in unknown tongues according to Acts 2:13?

Lesson Outline 2: 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 yielding 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). 

CLASS ACTIVITY 2: How can speaking in an unknown tongue help believers to witness for Christ according to Acts 1:8?


Speaking in an unknown tongue and in diverse tongues edify the speaker and the church respectively. 


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. 


Differentiate between speaking in an unknown tongue and the gift of diverse kinds of tongues. 


Father, baptise me afresh with the gifts of the Holy Spirit. 


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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