1 Samuel 18:29

and Saul addeth to be afraid of the presence of David yet; and Saul is an enemy with David all the days.

Ecclesiastes 4:4

And I have seen all the labour, and all the benefit of the work, because for it a man is the envy of his neighbour. Even this is vanity and vexation of spirit.

Genesis 4:4-8

and Abel, he hath brought, he also, from the female firstlings of his flock, even from their fat ones; and Jehovah looketh unto Abel and unto his present,

1 Samuel 18:12

And Saul is afraid of the presence of David, for Jehovah hath been with him, and from Saul He hath turned aside;

1 Samuel 18:15

and Saul seeth that he is acting very wisely, and is afraid of him,

Psalm 37:12-14

The wicked is devising against the righteous, And gnashing against him his teeth.

John 11:53

From that day, therefore, they took counsel together that they may kill him;

James 2:19

thou -- thou dost believe that God is one; thou dost well, and the demons believe, and they shudder!

1 John 3:12-15

not as Cain -- of the evil one he was, and he did slay his brother, and wherefore did he slay him? because his works were evil, and those of his brother righteous.

Treasury of Scripture Knowledge

Summary

And Saul was yet the more afraid of David; and Saul became David's enemy continually.

Bible References

Yet the

1 Samuel 18:12
And Saul is afraid of the presence of David, for Jehovah hath been with him, and from Saul He hath turned aside;
Psalm 37:12
The wicked is devising against the righteous, And gnashing against him his teeth.
Ecclesiastes 4:4
And I have seen all the labour, and all the benefit of the work, because for it a man is the envy of his neighbour. Even this is vanity and vexation of spirit.
James 2:19
thou -- thou dost believe that God is one; thou dost well, and the demons believe, and they shudder!

Saul became

Genesis 4:4
and Abel, he hath brought, he also, from the female firstlings of his flock, even from their fat ones; and Jehovah looketh unto Abel and unto his present,
John 11:53
From that day, therefore, they took counsel together that they may kill him;
1 John 3:12
not as Cain -- of the evil one he was, and he did slay his brother, and wherefore did he slay him? because his works were evil, and those of his brother righteous.