While we cannot guarantee that we shall one day be first, we can guarantee that any failure to make this effort will make us last.
John F. KennedyIf we cannot now end our differences, at least we can help make the world safe for diversity.
John F. KennedyMothers all want their sons to grow up to be president, but they don't want them to become politicians in the process.
John F. KennedyNuclear weapons are so destructive and ballistic missiles are so swift, that any substantially increased possibility of their use or any sudden change in their deployment may well be regarded as a definite threat to peace.
John F. Kennedy