James 1:24

for once he has looked at himself and gone away, he immediately forgets what he looked like.

2 Peter 3:11

Since all these things are to be destroyed in this way, what kind of people ought you to be [in the meantime] in holy behavior [that is, in a pattern of daily life that sets you apart as a believer] and in godliness [displaying profound reverence toward our awesome God],

Judges 8:18

Then Gideon said to Zebah and Zalmunna, “What kind of men were they whom you killed at Tabor?” And they replied, “They were like you, each one of them resembled the son of a king.”

Matthew 8:27

The men wondered in amazement, saying, “What kind of man is this, that even the winds and the sea obey Him?”

Luke 1:66

All who heard these things kept them in mind, saying, “What then will this little boy turn out to be?” For the hand of the Lord was certainly with him [to bring about his birth].

Luke 7:39

Now when [Simon] the Pharisee who had invited Him saw this, he said to himself, “If this Man were a prophet He would know who and what sort of woman this is who is touching Him, that she is a [notorious] sinner [an outcast, devoted to sin].”

1 Thessalonians 1:5

for our good news [regarding salvation] came to you not only in word, but also in [its inherent] power and in the Holy Spirit and with great conviction [on our part]. You know what kind of men we proved to be among you for your benefit.

Treasury of Scripture Knowledge

Summary

For he beholdeth himself, and goeth his way, and straightway forgetteth what manner of man he was.

General references

Bible References

What

Judges 8:18
Then Gideon said to Zebah and Zalmunna, “What kind of men were they whom you killed at Tabor?” And they replied, “They were like you, each one of them resembled the son of a king.”
Matthew 8:27
The men wondered in amazement, saying, “What kind of man is this, that even the winds and the sea obey Him?”
Luke 1:66
All who heard these things kept them in mind, saying, “What then will this little boy turn out to be?” For the hand of the Lord was certainly with him [to bring about his birth].
Luke 7:39
Now when [Simon] the Pharisee who had invited Him saw this, he said to himself, “If this Man were a prophet He would know who and what sort of woman this is who is touching Him, that she is a [notorious] sinner [an outcast, devoted to sin].”
1 Thessalonians 1:5
for our good news [regarding salvation] came to you not only in word, but also in [its inherent] power and in the Holy Spirit and with great conviction [on our part]. You know what kind of men we proved to be among you for your benefit.
2 Peter 3:11
Since all these things are to be destroyed in this way, what kind of people ought you to be [in the meantime] in holy behavior [that is, in a pattern of daily life that sets you apart as a believer] and in godliness [displaying profound reverence toward our awesome God],

General references

Proverbs 23:12

Apply your heart to discipline
And your ears to words of knowledge.
Luke 11:28
But He said, “On the contrary, blessed (happy, favored by God) are those who hear the word of God and continually observe it.”