Lord Acton, in his letter, expresses the idea that individuals in positions of power are susceptible to corruption, and absolute power intensifies this corruption. Acton argues that even influential individuals, who may not have official authority, tend to exhibit negative qualities. He states, "Power tends to corrupt and absolute power corrupts absolutely," highlighting the inherent corrupting influence of power. Acton goes on to assert that great men, especially those with authority, are often morally compromised. He contends, "Great men are almost always bad men," emphasizing the correlation between greatness and moral shortcomings. Acton suggests that the certainty of corruption increases when authority is involved, asserting that the very nature of authority contributes to moral decay. This perspective implies a skepticism towards the virtue of those in power and a recognition of the potential for abuse associated with authority. rephrase and shorten like a 9th grader

Lord Acton believes that people in positions of power are prone to corruption, and having absolute power makes this corruption worse. Even influential individuals who don't hold official authority also tend to display negative qualities. Acton famously said, "Power corrupts, and absolute power corrupts absolutely," showing how power always has a corrupting influence. He also argues that important people, especially those with authority, often have moral flaws. He states, "Great men are almost always bad men," highlighting the connection between greatness and moral failings. Acton suggests that corruption is more likely when authority is involved, suggesting that authority itself contributes to moral decay. This viewpoint shows doubt towards the goodness of those in power and acknowledges the potential for abuse that comes with authority.