The weapon of criticism can never replace the criticism of weapons.

Karl Marx

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One of the sure signs of maturity is the ability to rise to the point of self criticism.

Martin Luther King Jr.

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Sometimes, you can learn more from criticism than you can from flattery.

Doug McMillon

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In all institutions from which the cold wind of open criticism is excluded, an innocent corruption begins to grow like a mushroom - for example, in senates and learned societies.

Friedrich Nietzsche

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I'm not everybody's cup of tea. But sometimes criticism can be hurtful. Be respectful I'm a good piano player, I can sing well, I write good songs. If you don't like it, fair enough. But give me a break.

Elton John

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Criticism in the body politic is like pain in the human body. It is not pleasant, but where would the body be without it?

Winston Churchill

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