1 Samuel 19:1

And Saul spake to Jonathan his son, and to all his servants, that they should kill David.

1 Samuel 18:1

And it came to pass, when he had made an end of speaking unto Saul, that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul.

1 Samuel 18:9

And Saul eyed David from that day and forward.

Treasury of Scripture Knowledge

Summary

And Saul spake to Jonathan his son, and to all his servants, that they should kill David.

Bible References

And saul

Ecclesiastes 9:3
This is an evil among all things that are done under the sun, that there is one event unto all: yea, also the heart of the sons of men is full of evil, and madness is in their heart while they live, and after that they go to the dead.
Jeremiah 9:3
And they bend their tongues like their bow for lies: but they are not valiant for the truth upon the earth; for they proceed from evil to evil, and they know not me, saith the LORD.
2 Timothy 3:13
But evil men and seducers shall wax worse and worse, deceiving, and being deceived.

King James Version Public Domain