Anyone who loves his neighbor within the limits of the world is doing no more and no less injustice than someone who loves himself within the limits of the world.
Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect for himself and for others. And having no respect he ceases to love.
Disciplining yourself to do what you know is right and important, although difficult, is the highroad to pride, self-esteem, and personal satisfaction.
We can reject everything else: religion, ideology, all received wisdom. But we cannot escape the necessity of love and compassion. This, then, is my true religion, my simple faith. In this sense, there is no need for temple or church, for mosque or synagogue, no need for complicated philosophy, doctrine, or dogma. Our own heart, our own mind, is the temple. The doctrine is compassion. Love for others and respect for their rights and dignity, no matter who or what they are: ultimately these are all we need.
I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the earth will be killed.