Isaiah 32:4

They will not be impatient any longer, but they will act with understanding and will pay attention to the needs of the people.

Isaiah 29:24

People who stray will learn to understand. Those who always grumble will be glad to be taught.

Exodus 4:11

Jehovah said to him: Who has made man's mouth? Or who makes him mute or deaf, or seeing or blind? Is it not I, Jehovah?

Nehemiah 8:8-12

They read from the book the Law of God making it clear (translating it), so that their minds were able to take it in.

Song of Songs 7:9

The roof of your mouth is like the best wine for my beloved.' (The Shulamite) The wine goes down sweetly, causing the lips of those that are asleep to speak.

Matthew 11:25

Then Jesus prayed: I thank you, O Father, Lord of heaven and earth. You have hidden these things from the wise and understanding, and have revealed them to children. (Acts 2:36)

Matthew 16:17

Jesus answered him: Bless you, Simon son of John. This knowledge came from my Father in heaven and not from man.

Luke 21:14-15

Do not think about what you will say before it happens.

Acts 2:4-12

They were all filled with the Holy Spirit. They began to speak with different tongues, as the Spirit moved them to speak.

Acts 4:13

They observed the confidence of Peter and John. Yet they thought they were uneducated (not formally educated) and ordinary men. They were amazed and recognized them as having been with Jesus.

Acts 6:7

The word of God increased. The number of the disciples greatly multiplied in Jerusalem. Even a great number of priests became obedient to the faith.

Acts 26:9-11

I was convinced that I should oppose the name of Jesus of Nazareth.

Galatians 1:23

They heard it said: He that once persecuted us now preaches the faith he once tried to destroy.

Treasury of Scripture Knowledge

Summary

The heart also of the rash shall understand knowledge, and the tongue of the stammerers shall be ready to speak plainly.

General references

Bible References

Heart

Isaiah 29:24
People who stray will learn to understand. Those who always grumble will be glad to be taught.
Nehemiah 8:8
They read from the book the Law of God making it clear (translating it), so that their minds were able to take it in.
Matthew 11:25
Then Jesus prayed: I thank you, O Father, Lord of heaven and earth. You have hidden these things from the wise and understanding, and have revealed them to children. (Acts 2:36)
Matthew 16:17
Jesus answered him: Bless you, Simon son of John. This knowledge came from my Father in heaven and not from man.
Acts 6:7
The word of God increased. The number of the disciples greatly multiplied in Jerusalem. Even a great number of priests became obedient to the faith.
Acts 26:9
I was convinced that I should oppose the name of Jesus of Nazareth.
Galatians 1:23
They heard it said: He that once persecuted us now preaches the faith he once tried to destroy.

General references

Mark 7:35
His ears were opened. His tongue was freed and he spoke plainly.