Which textual evidence best supports a theme of "the eventual downfall of power is inevitable"?



C>Half sunk a shattered visage lies, whose frown,
And wrinkled lip, and sneer of cold command,


B>I met a traveler from an antique land,
Who said—"Two vast and trunkless legs of stone
Stand in the desert...


C>Tell that its sculptor well those passions read
Which yet survive, stamped on these lifeless things,
The hand that mocked them, and the heart that fed;


D>My name is Ozymandias, King of Kings,
Look on my Works, ye Mighty, and despair!
Nothing besides remains.