John Kennedy actually said...

The President's trip to Russia was abruptly canceled by his hosts.

Speech of Senator John F. Kennedy, Democratic Fund-Raising Dinner, Syracuse, NY - (Advance Release Text)

09/28/1960

More John Kennedy Quotes

For this will be a wholly different nation in 1970 with wholly different needs, and we must begin now to meet those needs.

It is a contest between all those who look to the past, between all those who wish to stand still, and those who wish to move ahead.

Let's start this country moving again.

I think we should say with the same confidence that his children will be free.