Shmuel Bais 3:35 Orthodox Jewish Bible (OJB)

And when kol HaAm came to cause Dovid to eat lechem while it was yet day, Dovid swore a shevua (oath), saying, So do Elohim to me, and more also, if I taste lechem, or anything else, till the shemesh go down.

Shmuel Bais 3

Shmuel Bais 3:33-39