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.

Cross-reference

1 Samuel 20:9 records Jonathan's promise to warn David; here he fulfills it with the arrow signal.

1 Samuel 23:26 describes David's urgent flight from Saul, a later event with the same desperate haste as the arrow signal.

2 Samuel 17:16 commands David to flee quickly, mirroring the urgency of Jonathan's warning to escape.