1 Samuel 15:35

Samuel {did not see Saul again} until the day of his death, but Samuel mourned over Saul, and Yahweh regretted that he made Saul king over Israel.

1 Samuel 15:11

"I regret that I made Saul king, for he has turned back from following me and has not kept my word." {Samuel became angry}, and he cried out to Yahweh all night.

1 Samuel 16:1

Then Yahweh said to Samuel, "{How long} will you mourn about Saul? I have rejected him from being king over Israel! Fill up your horn [with] oil and go. I will send you to Jesse the Bethlehemite, for I have chosen a king for myself among his sons."

1 Samuel 19:24

He also stripped [off] his clothes and prophesied before Samuel. He lay naked all that day and all night. Therefore they say, "[Is] Saul also among the prophets?"

Genesis 6:6

And Yahweh regretted that he had made humankind on the earth, and {he was grieved in his heart}.

Psalm 119:136

Streams of water flow down [from] my eyes, because [people] do not heed your law.

Psalm 119:158

I see [the] treacherous and I feel disgust, because they do not heed your word.

Jeremiah 9:1-2

{Oh that my head were waters}, and my eyes a fountain of tears, so that I might weep day and night, [for] the slain of the daughter of my people.

Romans 9:2-3

that my grief is great and [there is] constant distress in my heart.

Philippians 3:18

For many live, of whom I spoke about to you many times, but now speak about even weeping, [as] the enemies of the cross of Christ,

Treasury of Scripture Knowledge

Summary

And Samuel came no more to see Saul until the day of his death: nevertheless Samuel mourned for Saul: and the LORD repented that he had made Saul king over Israel.

General references

Bible References

Samuel

1 Samuel 19:24
He also stripped [off] his clothes and prophesied before Samuel. He lay naked all that day and all night. Therefore they say, "[Is] Saul also among the prophets?"

Samuel mourned

1 Samuel 15:11
"I regret that I made Saul king, for he has turned back from following me and has not kept my word." {Samuel became angry}, and he cried out to Yahweh all night.
1 Samuel 16:1
Then Yahweh said to Samuel, "{How long} will you mourn about Saul? I have rejected him from being king over Israel! Fill up your horn [with] oil and go. I will send you to Jesse the Bethlehemite, for I have chosen a king for myself among his sons."
Psalm 119:136
Streams of water flow down [from] my eyes, because [people] do not heed your law.
Jeremiah 9:1
{Oh that my head were waters}, and my eyes a fountain of tears, so that I might weep day and night, [for] the slain of the daughter of my people.
Romans 9:2
that my grief is great and [there is] constant distress in my heart.
Philippians 3:18
For many live, of whom I spoke about to you many times, but now speak about even weeping, [as] the enemies of the cross of Christ,

Repented

1 Samuel 15:11
"I regret that I made Saul king, for he has turned back from following me and has not kept my word." {Samuel became angry}, and he cried out to Yahweh all night.
Genesis 6:6
And Yahweh regretted that he had made humankind on the earth, and {he was grieved in his heart}.

General references

Romans 9:2
that my grief is great and [there is] constant distress in my heart.