Berean Study Bible (BSB) - 1 Samuel 20:3 >

But David again vowed, “Your father knows very well that I have found favor in your eyes, and he has said, ‘Jonathan must not know of this, or he will be grieved.’ As surely as the LORD lives and as you yourself live, there is but a step between me and death.”

Jewish Publication Society of America Version (JPS1917) - 1 Samuel 20:3 >

And David swore moreover, and said: 'Thy father knoweth well that I have found favour in thine eyes; and he saith: Let not Jonathan know this, lest he be grieved; but truly as the LORD liveth, and as thy soul liveth, there is but a step between me and death.'