in reference to his talk with Beregond as they sat upon the battlements just after Pip swears fielty to Gondor.The Return of the King - Minas Tirith said:A pawn did Gandalf say? Perhaps; but on the wrong chessboard
There he drew forth his sword, that now alone remained to him of all his possessions, and he said: ' Hail Gurthang! No lord or loyalty dost thou know, save the hand that wieldeth thee. From no blood wilt thou shrink. Wilt thou therefore take Túrin Turambar, wilt thou slay me swiftly?'
And from the blade rang a cold voice in answer" 'Yea, I will drink thy blood gladly, that so I may forget the blood of Beleg my master, and the blood of Brnadir slain unjustly. I will slay thee swiftly.'