§ Of Beren and Lúthien The Silmarillion

Then silence fell upon the hall, for those that stood there were astounded and afraid, and they thought that Beren would be slain. But Thingol spoke slowly, saying: 'Death you have earned with these words; and death you should find suddenly, had I not sworn an oath in haste; of which I repent, baseborn mortal, who in the realm of Morgoth has learnt to creep in secret as his spies and thralls.'