1 Samuel 24:5

And the servants of David said to him: "Behold the day, about which the Lord said to you, ‘I will deliver your enemy to you, so that you may do to him as it will be pleasing in your eyes.’ " Then David rose up, and he quietly cut off the edge of Saul’s cloak

Other versions

King James Version

And it came to pass afterward, that David's heart smote him, because he had cut off Saul's skirt.

English Standard Version

And afterward David's heart struck him, because he had cut off a corner of Saul's robe.

New International Version

Afterward, David was conscience-stricken for having cut off a corner of his robe.