The empires of the future are the empires of the mind.
Winston Churchill
Ideas have unhinged the gates of empires.
Paul Harris
All empires come to an end, and the American one is no exception.
Robert Kiyosaki
Some have called Afghanistan 'the graveyard of empires,' and it probably is the graveyard of empires.
James G. Stavridis
It is always the adventurers who do great things, not the sovereigns of great empires.
Charles de Montesquieu