We must also be ready to reassume the initiative in the conduct of our foreign affairs - or act to spread freedom as well as to react against the spr… - John F. Kennedy

Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe to assure the survival and the success of liberty.

Neither the United States of America nor the world community of nations can tolerate deliberate deception and offensive threats on the part of any nation, large or small. We no longer live in a world where only the actual firing of weapons represents a sufficient challenge to a nation's security to constitute maximum peril. Nuclear 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.

Now let me make it clear that I believe there can only be one defense policy for the United States and that is summed up in the word 'first.' I do not mean 'first, but'. I do not mean 'first, when'. I do not mean 'first, if'. I mean 'first — period'.