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.

There is a reason why George Washington is always one of the top three presidents, and it's not because of his prowess as a military leader; it's not because of the incredible innovations in policy that he introduced. It's because he knew when it was time to go.

Any so-called leader who does not take this issue (climate change) seriously or treats it like a joke is not fit to lead

I think back to the day I drove Michelle and a newborn Malia home from the hospital nearly 11 years ago - crawling along, miles under the speed limit, feeling the weight of my daughter's future resting in my hands. I think about the pledge I made to her that day: that I would give her what I never had - that if I could be anything in life, I would be a good father. I knew that day that my own life wouldn't count for much unless she had every opportunity in hers.

I commended Angela [Merkel] for her leadership along with President Hollande in working to resolve the conflict in Ukraine. We continued to stand with the people of Ukraine and for the basic principle that nations have a right to determine their own destiny and we discussed the importance of maintaining sanctions until Russia fully complies with the Minsk Agreement.

If you've got a business, you didn't build that. Somebody else made that happen.

If you look at the current Mosul campaign against ISIL, for example the few thousand troops that we have there to support that effort allows the Iraqi military to move forward in an effective way.