Power tends to corrupt and absolute power corrupts absolutely. Great men are almost always bad men, even when they exercise influence and not authority: still more when you superadd the tendency or the certainty of corruption by authority.
Lord ActonLiberty is not the power of doing what we like, but the right of being able to do what we ought.
Lord ActonThough oppression may give rise to violent and repeated outbreaks, like the convulsions of a man in pain, it cannot mature a settled purpose and plan of regeneration, unless a new notion of happiness is joined to the sense of present evil.
Lord Acton