The encyclopedic Kewulun contains the following simple and vivid description: "The eagle: a raptor, golden eyes, hooked beak, steely claws, pointed wings, skilled at snatching prey." This is why the eagle has come to symbolize strength.
格物論簡明有力地如此形容：「鷹，鷲鳥，金眼、鉤嘴、鐵爪、劍翮、善攫搏」，因此，猛禽也被用來做力量的象徵。