Barack Obama Quotes

ISIS is a virulent, nasty organization that has gained a foothold in ungoverned spaces effectively in Syria and parts of western Iraq. We have to take it seriously. They've shown in Paris what they can do in an organized fashion.

They've spread like cancer. ISIS has spread like cancer.

I will follow Osama bin Laden to the gates of hell.

ISIS is a terrorist entity whose barbarities have been condemned by all those who value our common humanity. In the current political climate, when hate crimes are rising and political rhetoric is increasingly divisive, this is all the more shocking.

We understand that ISIS is a group that's growing in its governance of territory. It's not just Iraq and Syria. They are now a predominant group in Libya. They are beginning to pop up in Afghanistan. They are increasingly involved now in attacks in Yemen. They have Jordan in their sights. This group needs to be confronted with serious proposals.

I close with two words, ‘Kill ISIS!’ God bless you all!

We know that ISIL and other terrorist groups are actively encouraging people, around the world and in our country, to commit terrible acts of violence, oftentimes as lone-wolf actors.

If you join ISIS, if you wage jihad on America, then you are signing your death warrant.

ISIS is the new jihad - violent jihadist vanguard in the Middle East and globally.

We must be certain that we all realize that our enemy is not an enemy that is located in one single place. There are terrorist cells all around the globe.

The Muslim Brotherhood is the parent organization of extreme ideology. They are the godfather of all terrorist organizations. They spread it all over the world.

Terrorism is a significant threat to peace and security, prosperity and people.

Before September 11, terrorism was viewed as something ugly but you lived with it.

We have to face the fact that ISIS and its army of like-minded jihadists are determined to win that war and believe they are on the path to victory. They may well be right.

What we have seen with Islamist extremism, whether it is in Mali or Somalia or Afghanistan, is that the disease is not necessarily the individual country. The disease is the Islamist extremism, and that's what we have to fight; that's the narrative that we have to beat.

ISIS is the greatest threat.

ISIS is on the offense, with the ability to attack at will, anyplace, anytime.

ISIS is a terrorist organization. It is a terrorist organization that the world must unite against.

There is no doubt something has happened that is lasting in terms of attractiveness of the nightmare that is the Islamic State.

Anything I can do to help destroy ISIS, I will support that.

Terrorism and religious extremism are huge challenges. They go hand in glove.

The rise of ISIS has exposed the darkest side of humanity - at times manifesting their violent ideology at our very doorsteps.

ISIL is a terrorist army like we have never seen - they cannot be ignored.

There is no doubt that terrorists acting under the banner of Islam have declared war on us.

It's time to "stop being ambivalent." ... They (groups like the Islamic State) have no ideology beyond violence and chaos and the slaughter of innocent people.