King James Version (KJV) Authorized Version 1611
Read Full Chapter (1 Samuel 20)

1 Samuel 20:13-15 KJV

"The LORD do so and much more to Jonathan: but if it please my father to do thee evil, then I will shew it thee, and send thee away, that thou mayest go in peace: and the LORD be with thee, as he hath been with my father. And thou shalt not only while yet I live shew me the kindness of the LORD, that I die not: But also thou shalt not cut off thy kindness from my house for ever: no, not when the LORD hath cut off the enemies of David every one from the face of the earth."
1 Samuel Chapter 20, Verse 13-15

1 Samuel 20:13-15 in Context (Verses 10–18 KJV)

10
Then said David to Jonathan, Who shall tell me? or what if thy father answer thee roughly?
11
¶ And Jonathan said unto David, Come, and let us go out into the field. And they went out both of them into the field.
12
And Jonathan said unto David, O LORD God of Israel, when I have sounded my father about to morrow any time, or the third day, and, behold, if there be good toward David, and I then send not unto thee, and shew it thee;**
13
The LORD do so and much more to Jonathan: but if it please my father to do thee evil, then I will shew it thee, and send thee away, that thou mayest go in peace: and the LORD be with thee, as he hath been with my father.*
14
And thou shalt not only while yet I live shew me the kindness of the LORD, that I die not:
15
But also thou shalt not cut off thy kindness from my house for ever: no, not when the LORD hath cut off the enemies of David every one from the face of the earth.
16
So Jonathan made a covenant with the house of David, saying, Let the LORD even require it at the hand of David’s enemies.*
17
And Jonathan caused David to swear again, because he loved him: for he loved him as he loved his own soul.*
18
Then Jonathan said to David, To morrow is the new moon: and thou shalt be missed, because thy seat will be empty.*