Romans 10:9-10
That if you may confess with your mouth the Lord Jesus, and may believe with your heart that God raised him from the dead, you shall be saved:
James 3:5-6
so also the tongue is a little member, and it boasts great things. Behold, how great a wood a little fire kindles!
2 Peter 2:18
For speaking swelling words of vanity, in the lusts of the flesh they beguile with their impurities, those that have but partially escaped, who are still moving about in their delusion;
Revelation 3:10
Because you have kept the word of my patience, and I will keep you from the hour of temptation, which is about to come upon the whole world, to try those dwelling upon the earth.
Revelation 12:11
And they conquered him through the blood of the Lamb, and the word of their testimony; and with divine love they love not their life unto death.
Revelation 15:5-6
And after these things I saw, and the temple of the tabernacle of the testimony in the heaven was open: