In executing the duties of my present important station, I can promise nothing but purity of intentions, and, in carrying these into effect, fidelity and diligence.

I never forget that I live in a house owned by all the American people and that I have been given their trust.

Nelson Mandela was a voice for justice and a symbol for freedom - and his legacy reminds us that we all share a responsibility to continue building a just, sustainable, and equitable world for all. On this #MandelaDay and every day, let's keep working together to make an impact.

Our readiness to meet and defeat this kind of possible attack is forced upon us, both as a potent preventive of actual war and to insure survival in event of attack. This alertness to danger has to be translated into specific policies and activities in the several parts of the world where our rights - our way of life - can be seriously damaged. Work of this kind occupies my days and nights.

Ziggy, when you go up bring me up and when you go down don't let me down.

We will measure our success not only by the battles we win, but also by the wars that we end, and perhaps most importantly, the wars we never get into. My proudest legacy will be that of a peacemaker and unifier. That's what I want to be. A peacemaker and a unifier.