Luke 21:15

for I will give to you mouth and wisdom, which all who are opposed to you will not be able to gainsay nor resist.

Ephesians 6:19

and for me that the word may be given unto me in opening of my mouth, boldly to make known the mystery of the gospel,

Treasury of Scripture Knowledge

Summary

In that day shall thy mouth be opened to him which is escaped, and thou shalt speak, and be no more dumb: and thou shalt be a sign unto them; and they shall know that I am the LORD.

Bible References

Thy

Luke 21:15
for I will give to you mouth and wisdom, which all who are opposed to you will not be able to gainsay nor resist.
Ephesians 6:19
and for me that the word may be given unto me in opening of my mouth, boldly to make known the mystery of the gospel,