More quotes by Barack Obama
The only certainty in war is human suffering, uncertain costs, unintended consequences.
Don’t shortchange the future, because of fear in the present.
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Optimism is the faith that leads to achievement; nothing can be done without hope.
Always believe in your dreams, because if you don't, you'll still have hope.
Attribution
Quote text and notes from Wikiquote: Barack Obama (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.