Thomas, Sir Malory 
Le Mort d’Arthur: Volume 2 

pub One.info present you this new edition. AND if so be ye can descrive what ye bear, ye are worthy to bear the arms. As for that, said Sir Tristram, I will answer you; this shield was given me, not desired, of Queen Morgan le Fay; and as for me, I can not descrive these arms, for it is no point of my charge, and yet I trust to God to bear them with worship. Truly, said King Arthur, ye ought not to bear none arms but if ye wist what ye bear: but I pray you tell me your name. To what intent? said Sir Tristram. For I would wit, said Arthur. Sir, ye shall not wit as at this time. Then shall ye and I do battle together, said King Arthur. Why, said Sir Tristram, will ye do battle with me but if I tell you my name? and that little needeth you an ye were a man of worship, for ye have seen me this day have had great travail, and therefore ye are a villainous knight to ask battle of me, considering my great travail; howbeit I will not fail you, and have ye no doubt that I fear not you; though you think you have me at a great advantage yet shall I right well endure you