Barack Obama

We cannot in good conscience maintain a system of indefinite detention in which individuals who have not been tried and convicted are held permanently.

Just because we have the best hammer does not mean that every problem is a nail.

We are blessed when it comes to energy, but we're much more blessed when it comes to the innovation and the dynamism and the creativity of our economy.

We want to talk to Congress about the AUMF as we approach the end of the year.

The fact that Crimea was annexed illegally does not in any way negate the fact that the values that we hold dear are ascendant.

Ultimately, global leadership requires us to see the world as it is, with all its danger and uncertainty.

The United States would like to see China act consistent with those rules of the road.

American leadership in the 21st century is going to involve our capacity to build international institutions.

How do we make sure that we have authorities that are focused on those groups who pose a direct threat to the United States?

We have to be prepared for the worst, prepared for every contingency.

We would need to create a permanent solution for the millions of people living in the shadows in the United States.

We're concerned about it because we don't want to see constant conflicts developing in a vital region of the world.

Operating the detention facility at Guantánamo weakens our national security by draining resources, damaging our relationships with key allies and partners and emboldening violent extremists.

Climate change is a challenge that cuts across many different areas.

I'm not sure I can do it in a sentence because we're fortunate in many ways.

Your charge now is not only to protect our country, but to do what is right and just.

We must hold ourselves to high standards as a part of maintaining American leadership.

We have made an enormous amount of progress.

America must always lead on the world stage.

We will bring America's longest war to a responsible end and then announce calendar dates for our withdrawal.

We have to recognize Afghanistan will not be a perfect place and it is not America's responsibility to make it one.

Well, if you're a young person and you produce the best experiment or design, the best hardware or software, you ought to be recognized for that achievement, too.

That's why I'm proud to celebrate outstanding students at the White House Science Fair, and to announce new steps my Administration and its partners are taking to help more young people succeed in these critical subjects.

I hereby terminate the prohibitions contained in section 1 of Executive Order 13303 of May 22, 2003.

The United States will continue assisting Ukraine in these efforts.