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

We are reminded that, in the fleeting time we have on this Earth, what matters is not wealth, or status, or power, or fame, but rather how well we have loved and what small part we have played in making the lives of other people better.

I have made it clear that we will hunt down terrorists who threaten our country, wherever they are. That means I will not hesitate to take action against ISIL in Syria, as well as Iraq. This is a core principle of my presidency: if you threaten America, you will find no safe haven.

They, and we, are the legacies of an unbroken chain of proud men and women who served their country with honor, who waged war so that we might know peace, who braved hardship so that we might know opportunity, who paid the ultimate price so that we might know freedom.

Evil does exist in the world. A non-violent movement could not have halted Hitler's armies. Negotiations cannot convince al Qaeda's leaders to lay down their arms. To say that force may sometimes be necessary is not a call to cynicism - it is a recognition of history; the imperfections of man and the limits of reason.

Congress has become so dysfunctional that more and more of a burden is placed on the agencies to fill in the gaps. And the gaps get bigger and bigger because they're not constantly refreshed and tweaked.

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