Matthew 5:2

And having opened His mouth He taught them, saying;

Matthew 13:35

in order that the word spoken by Isaiah, the prophet, saying, I will open my mouth in parables: I will make known the things which have been hidden from the foundation.

Acts 8:35

Philip opening his mouth, and beginning from the same scripture, preached Jesus to him.

Acts 10:34

And Peter, opening his mouth, said, In truth I apprehend that God is no respecter of persons:

Acts 18:14

And Paul being about to open his mouth, Gallio said to the Jews, If it were some injustice or wicked rascality, O Jews, I would bear with you according to reason:

Luke 6:20-26

And He lifting up His eyes to His disciples, said, Blessed are ye poor: because the kingdom of God is yours.

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

And he opened his mouth, and taught them, saying,

Bible References

General references

Matthew 13:35
in order that the word spoken by Isaiah, the prophet, saying, I will open my mouth in parables: I will make known the things which have been hidden from the foundation.
Luke 6:20
And He lifting up His eyes to His disciples, said, Blessed are ye poor: because the kingdom of God is yours.
Acts 8:35
Philip opening his mouth, and beginning from the same scripture, preached Jesus to him.
Acts 10:34
And Peter, opening his mouth, said, In truth I apprehend that God is no respecter of persons:
Acts 18:14
And Paul being about to open his mouth, Gallio said to the Jews, If it were some injustice or wicked rascality, O Jews, I would bear with you according to reason:
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,