Civility is not a sign of weakness.

According to the ancient Chinese proverb, A journey of a thousand miles must begin with a single step.

A child miseducated is a child lost.

I ask particularly that those of you who are now in school will prepare yourselves to bear the burden of leadership over the next 40 years here in the United States, and make sure that the United States - which I believe almost alone has maintained watch and ward for freedom - that the United States meet its responsibility. That is a wonderful challenge for us as a people.

I speak of peace, therefore, as the necessary rational end of rational men. I realize the pursuit of peace is not as dramatic as the pursuit of war... But we have no more urgent task.

The exploration of space will go ahead, whether we join in it or not, and it is one of the great adventures of all time, and no nation which expects to be the leader of other nations can expect to stay behind in this race for space.

Bring the absolute power to destroy other nations under the absolute control of all nations. Weapons of war must be abolished before they abolish us...No longer is the quest for disarmament a sign of weakness, (nor) the destruction of arms a dream - it is a practical matter of life or death. The risks inherent in disarmament pale in comparison to the risks inherent in an unlimited arms race.