We go into space because whatever mankind must undertake, free men must fully share.
John F. KennedyNow the trumpet summons us again - not as a call to bear arms, though arms we need; not as a call to battle, though embattled we are; but a call to bear the burden of a long twilight struggle, year in and year out, 'rejoicing in hope, patient in tribulation', a struggle against the common enemies of man: tyranny, poverty, disease and war itself.
John F. Kennedy