We cannot avoid using power, cannot escape the compulsion to afflict the world, so let us, cautious in diction and mighty in contradiction, love powe… - Martin Buber

The basic word I-You can only be spoken with one’s whole being.

But a person, I would say, is an individual living really with the world. And 'with' the world, I don't mean in the world- just in real contact, in real reciprocity with the world in all the points in which the world can meet man.

The doer cannot apprehend who the powers are whose emissary and acting agent he is; he must nevertheless be aware that the fullness of the world’s destiny, namelessly interwoven, passes through his hands. It is said in the Mishnah, “Every man shall say: ‘It is for me that the world was created.’ ”16 And again, “Every man shall say: ‘The world rests on me,’ ” which is corroborated by the hasidic text: “Yes, he is the only one in the world, and its continued existence depends on his deed.