Peace does not come just because we wish for it. Peace must be fought for. It must be built stone by stone.

It is the excitement of becoming - always becoming, trying, probing, falling, resting, and trying again- but always trying and always gaining

I am making a collection of the things my opponents have found me to be and, when this election is over, I am going to open a museum and put them on display.

The noblest search is the search for excellence.

Books and ideas are the most effective weapons against intolerance and ignorance.

The thing I would like to do most is to find somehow to bring peace to the world. It has eluded me.

The moon and other celestial bodies should be free for exploration and use by all countries. No country should be permitted to advance a claim of sovereignty.