If we cannot now end our differences, at least we can help make the world safe for diversity.

A revolution is coming – a revolution which will be peaceful if we are wise enough; compassionate if we care enough; successful if we are fortunate enough – but a revolution which is coming whether we will it or not. We can affect its character; we cannot alter its inevitability.

Sometimes party loyalty asks too much.

Things do not happen. Things are made to happen.

So, let us not be blind to our differences - but let us also direct attention to our common interests and to the means by which those differences can be resolved.

[War] can no longer be of concern to great powers alone.

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.