You can't come forward against the world's most powerful intelligence agencies and be completely free from risk.

I myself consider myself the most powerful figure in the world.

In 1763 the English were the most powerful nation in the world.

An alliance of civilisations can be our most powerful weapon in the fight against terror.

In the fight against terrorism, national agencies keep full control over their police forces, security and intelligence agencies and judicial authorities.

The humblest is the peer of the most powerful.