In the Bible as the inspired and infallible Word of God
(2 Tim 3:15-16)
 

In One God, eternally existent in three persons:
Father, Son, and Holy Spirit.
(Deut 6:4;    Matt 28:19;    Mark 12:29)
 

In the virgin birth of Christ, His vicarious, atoning death, bodily resurrection, and ascension.
(Isa 7:14;   Rom 8:34;   Act1:10)
 

In salvation through the blood of Jesus Christ
(1 John 5:10;  Rom 10:13-15)             
          

in water baptism by immersion.
(Matt 28:19)
 

I(n divine healing through the redemptive work of Christ on the cross.
(Isa 53:4 ;   Matt 8:16-17;  Jas 5:13-14)
 

In the baptism in the Holy Spirit with the initial evidence of speaking in other tongues.
(Act 2:4;    10:44-46;   15:8-5)
 

In the sanctifying power of the Holy Spirit who enables a believers to live Holy.
( Heb 12:14;   1Pet 1:15-16)
 

In the second coming of Jesus Christ.      
( Acts 24:15;  Luke 14:14 ;    Rev 19:7)