Look underfoot. You are always nearer to the true sources of your power than you think. The lure of the distant and the difficult is deceptive. The great opportunity is where you are. Don't despise your own place and hour. Every place is the center of the world.

There is an international treaty framework for this. It's the Nuclear Non-Proliferation Treaty (NPT). Most countries in the world are members of the treaty.

We have produced some good walkers and saunterers, and some noted climbers; but as a staple recreation, as a daily practice, the mass of the people dislike and despise walking.

The countries outside the Non-Proliferation Treaty also are bound by that obligation [ Article Six of the treaty] according to, at least it's a strong implication of, a 1996 opinion of the International Court of Justice.

One resolution I have made, and try always to keep, is this: ‘To rise above little things’.

Travel and society polish one, but a rolling stone gathers no moss, and a little moss is a good thing on a man.

You cannot cause disproportionate damage to the environment; you cannot harm neutral states. The court said that the threat or use of nuclear weapons is generally contrary to the international law of armed conflict.