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Optimism is not inherently a superior way of viewing the world. Certainly doctors will say it might be better for one's physical health to be an optimist. But, morally speaking it may not be appropriate in certain circumstances.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Worry is a cycle of inefficient thoughts whirling around a center of fear.

It is the hopeful, buoyant, cheerful attitude of mind that wins. Optimism is a success builder; pessimism an achievement killer.

Optimism is the madness of insisting that all is well when we are miserable.

I understand the concept of optimism. But I think with me what you get is a lack of cynicism.

There are really two kinds of optimism. There's the complacent, Pollyanna optimism that says, 'Don't worry - everything will be just fine,' and that allows one to just lay back and do nothing about the problems around you. Then there's what we call dynamic optimism. That's an optimism based on action.