I Samuel 21:1-6

Now David came to Nob, to Ahimelech the priest. And Ahimelech was afraid when he met David, and said to him, “Why are you alone, and no one is with you?” So David said to Ahimelech the priest, “The king has ordered me on some business, and said to me, ‘Do not let anyone know anything about the business on which I send you, or what I have commanded you.’ And I have directed my young men to such and such a place. Now therefore, what have you on hand? Give me five loaves of bread in my hand, or whatever can be found.” And the priest answered David and said, “There is no common bread on hand; but there is holy bread, if the young men have at least kept themselves from women.” Then David answered the priest, and said to him, “Truly, women have been kept from us about three days since I came out. And the vessels of the young men are holy, and the bread is in effect common, even though it was consecrated in the vessel this day.” So the priest gave him holy bread; for there was no bread there but the showbread which had been taken from before the LORD, in order to put hot bread in its place on the day when it was taken away.