1 John 4:2(KJV)
Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God...
His lord said unto him, Well done, thou good and faithful servant: thou hast been faithful over a few things, I will make thee ruler over many things: enter thou into the joy of thy lord.
I delight to do thy will, O my God: yea, thy law is within my heart.
1 John 1:9(KJV)
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
2 Timothy 2:12-13(KJV)
If we suffer, we shall also reign with him: if we deny him, he also will deny us: If we believe not, yet he abideth faithful: he cannot deny himself.