Luke 21:15

for I will give you a mouth, and wisdom which all your adversaries shall not be able to withstand or gainsay.

Ephesians 6:19

and on my behalf that utterance may be given to me, in opening my mouth to make known with boldness 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 you a mouth, and wisdom which all your adversaries shall not be able to withstand or gainsay.
Ephesians 6:19
and on my behalf that utterance may be given to me, in opening my mouth to make known with boldness the mystery of the Gospel,