...That were pity, said Sir Tristram, that sogood a knight as he is should be slain so cowardly; and therefore I warn you Iwill succour him with all my puissance... 
Thomas Malory 「Le Morte D’Arthur, Volume II (of II)」
..."King," he says, "unless the report is false that spreads abroad your fame, since God created the first man there was never born a God-fearing man of such puissance as yours...
Chretien DeTroyes 「Four Arthurian Romances」
...They of London were in great fear of this, wherefore they kept their houses privily with their friends and such servants as they had, every man according to his puissance...
Jean Froissart, Thomas Malory, Raphael Holinshed 「Chronicle and Romance (The Harvard Classics Series)」
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