We choose to go to the moon in this decade and do the other things. Not because they are easy, but because they are hard.
John F. KennedyThe great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth, persistent, persuasive and unrealistic.
John F. KennedyHistory is a relentless master. It has no present, only the past rushing into the future. To try to hold fast is to be swept aside.
John F. Kennedy