We cannot reform the world.... Uncle Sugar is as dangerous a role for us to play as Uncle Shylock.

In the years since man unlocked the power stored up within the atom, the world has made progress, halting, but effective, toward bringing that power under human control. The challenge may be our salvation. As we begin to master the destructive potentialities of modern science, we move toward a new era in which science can fulfill its creative promise and help bring into existence the happiest society the world has ever known.

The purpose of foreign policy is not to provide an outlet for our own sentiments of hope or indignation; it is to shape real events in a real world.

Every inhabitant of this planet must contemplate the day when this planet may no longer be habitable .. The weapons of war must be abolished before they abolish us.

The science of weapons and war has made us all one world and one human race with one common destiny.

It shall be the policy of this nation to regard any nuclear missile launched from Cuba as an attack by the Soviet Union on the United States.

No American is ever made better off by pulling a fellow American down, and all of us are made better off whenever any one of us is made better off.