This was to fulfill what was spoken through the prophet:
“I will open My mouth in parables;
I will utter things hidden since the foundation of the world.”

1 Corinthians 2:6-7

Yet we do speak wisdom among those who are mature; a wisdom, however, not of this age nor of the rulers of this age, who are passing away;

Colossians 1:26

that is, the mystery which has been hidden from the past ages and generations, but has now been manifested to His saints,

Treasury of Scripture Knowledge

Summary

Proverbs 8:6

Hear; for I will speak of excellent things; and the opening of my lips shall be right things.

For

Colossians 1:26

The opening

General references

Job 13:6

Proverbs 22:20

Matthew 5:2

Bible References

For

For the Lord gives wisdom;
From His mouth come knowledge and understanding.

For I give you sound teaching;

Do not abandon my instruction.

Have I not written to you

excellent things

Of counsels and knowledge,

The law of the Lord is

perfect, restoring the soul;

The testimony of the Lord is sure, making wise the simple.

My mouth will speak wisdom,
And the meditation of my heart will be understanding.

Yet we do speak wisdom among those who are mature; a wisdom, however, not of this age nor of the rulers of this age, who are passing away;

that is, the mystery which has been hidden from the past ages and generations, but has now been manifested to His saints,

The opening

“However now, Job, please hear my speech,
And listen to all my words.

He opened His mouth and began to teach them, saying,

When Jesus had finished these words, the crowds were amazed at His teaching;