1 Samuel 20:9

Jonathan said, “Far be it from you! For if I should indeed learn that evil has been decided by my father to come upon you, then would I not tell you about it?”

1 Samuel 19:2

So Jonathan told David saying, “Saul my father is seeking to put you to death. Now therefore, please be on guard in the morning, and stay in a secret place and hide yourself.

1 Samuel 20:38

And Jonathan called after the lad, “Hurry, be quick, do not stay!” And Jonathan’s lad picked up the arrow and came to his master.

1 Samuel 20:42

Jonathan said to David, “Go in safety, inasmuch as we have sworn to each other in the name of the Lord, saying, ‘The Lord will be between me and you, and between my descendants and your descendants forever.’” Then he rose and departed, while Jonathan went into the city.

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 called after the lad, “Hurry, be quick, do not stay!” And Jonathan’s lad picked up the arrow and came to his master.
1 Samuel 19:2
So Jonathan told David saying, “Saul my father is seeking to put you to death. Now therefore, please be on guard in the morning, and stay in a secret place and hide yourself.