1 Samuel 14:48
And he did valiantly, and smote the Amalekites, and delivered Israel out of the hands of their spoilers.
Exodus 17:14
And Jehovah said to Moses, Write this for a memorial in the book, and rehearse it in the ears of Joshua, that I will utterly blot out the remembrance of Amalek from under the heavens.
Deuteronomy 25:19
And it shall be, when Jehovah thy God shall have given thee rest from all thine enemies round about, in the land that Jehovah thy God giveth thee for an inheritance to possess it, that thou shalt blot out the remembrance of Amalek from under the heavens; thou shalt not forget it.
1 Samuel 15:3-7
Now go and smite Amalek, and destroy utterly all that they have, and spare them not, but slay both man and woman, infant and suckling, ox and sheep, camel and ass.