If we could ever competitively, at a cheap rate, get fresh water from saltwater, ..(this) would be in the long-range interests of humanity which could really dwarf any other scientific accomplishments.

And this Nation, for all its hopes and all its boasts, will not be fully free until all its citizens are free.

All this will not be finished in the first one hundred days. Nor will it be finished in the first one thousand days . . .nor even perhaps in our lifetime on this planet. But let us begin.

If anyone is crazy enough to want to kill a president of the United States, he can do it. All he must be prepared to do is give his life for the president's.

My call is not to those who believe they belong to the past. My call is to those who believe in the future.

Domestic policy can only defeat us; foreign policy can kill us.

Our problems are man-made, therefore they may be solved by man