1 Samuel 20:9

And Jonathan said, Do not have such a thought: for if I saw that my father was designing evil against you, would I not give you word of it?

1 Samuel 19:2

And Jonathan said to David, Saul, my father, is purposing your death: so now, take care in the morning, and keep yourself safe in a secret place:

1 Samuel 20:38

And Jonathan went on crying out after the boy, Be quick, do not keep waiting about, go quickly. And Jonathan's boy got the arrow and came back to his master.

1 Samuel 20:42

And Jonathan said to David, Go in peace, for we two have taken an oath, in the name of the Lord, saying, The Lord will be between me and you, and between my seed and your seed for ever. Then David went away, and Jonathan went into the town.

Treasury of Scripture Knowledge

Summary

And Jonathan said, Far be it from thee: for if I knew certainly that evil were determined by my father to come upon thee, then would not I tell it thee?

Bible References

Then would

1 Samuel 20:38
And Jonathan went on crying out after the boy, Be quick, do not keep waiting about, go quickly. And Jonathan's boy got the arrow and came back to his master.
1 Samuel 19:2
And Jonathan said to David, Saul, my father, is purposing your death: so now, take care in the morning, and keep yourself safe in a secret place:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain