1 Samuel 20:9

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

1 Samuel 19:2

But Jonathan, Saul's son, delighted much in David: and Jonathan told David, saying, Saul my father seeketh to kill thee: now, therefore, I pray thee, take heed to thyself until the morning, and abide in a secret place, and hide thyself:

1 Samuel 20:38

And Jonathan cried after the lad, Make speed, haste, stay not. And Jonathan's lad gathered up the arrows, and came to his master.

1 Samuel 20:42

And Jonathan said to David, Go in peace, forasmuch as we have sworn both of us in the name of the LORD, saying, The LORD be between me and thee, and between my seed and thy seed for ever. :43 And he arose and departed: and 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 cried after the lad, Make speed, haste, stay not. And Jonathan's lad gathered up the arrows, and came to his master.
1 Samuel 19:2
But Jonathan, Saul's son, delighted much in David: and Jonathan told David, saying, Saul my father seeketh to kill thee: now, therefore, I pray thee, take heed to thyself until the morning, and abide in a secret place, and hide thyself: