There is a quote from a book entitled Bleeds My Desire by Nenia Campbell which talks about how power can be a fickle mistress.
"Power is a fickle mistress, easy to seduce, but even easier to lose. That's how it works. One moment she is your closest confidant, whispering the secrets of the universe into your ear; the next, she is your vilest oppressor-and once her ears close to your plights you are well and truly screwed."