The President does not have power under the Constitution to unilaterally authorize a military attack in a situation that does not involve stopping an actual or imminent threat to the nation.

We don't have time for a meeting of the Flat Earth Society.

Even as we do all that's necessary to ensure Israel's security, even as we are clear-eyed about the difficult challenges before us, and even as we pledge to stand by Israel through whatever tough days lie ahead, I hope we do not give up on that vision of peace. For if history teaches us anything, if the story of Israel teaches us anything, it is that with courage and resolve, progress is possible. Peace is possible.

You may want to prove that you're worthy of other kids or neighbors who were wealthier than you and teased you. You may want to prove that you're worthy of high expectations. But I do think that there is a youthful ambition that very much has to do with making your mark in the world. And I think that cuts across the experiences of a lot of people who end up achieving something significant in their field.

If we hope to give our children a chance, it's time we start giving our teachers a chance.

You are part of the first generation of officers to begin your service in a world where the effects of climate change are so clearly upon us. Climate change will shape how every one of our services plan, operate, train, equip, and protect their infrastructure, today and for the long-term.

I make no apologies for us wanting to do this [bombing Iraq and Syria] appropriately and in a way that is consistent with American values.