Montesquieu

“ I know not how it happens, but the wickedest king is hardly ever so bad as his minister; if he commits a vile action, it has nearly always been suggested to him: thus the ambition of princes is never so dangerous as the baseness of their advisers. But can you understand how a man who was yesterday made minister, and may perhaps to-morrrow be disgraced, can become in a moment his own enemy, the enemy of his family, of his country, and of the people who are yet to be born of those he is about to oppress?
A prince has passions ”