The product of mental labor – science – always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production. – Karl Marx
It is absolutely impossible to transcend the laws of nature. What can change in historically different circumstances is only the form in which these laws expose themselves. – Karl Marx
The production of too many useful things results in too many useless people. – Karl Marx
The oppressed are allowed once every few years to decide which particular representatives of the oppressing class are to represent and repress them. – Karl Marx
Since Hiroshima and the Holocaust, science no longer holds its pristine place as the highest moral authority. Instead, that role is taken by human rights. It follows that any assault on Jewish life – on Jews or Judaism or the Jewish state – must be cast in the language of human rights. – Jonathan Sacks