Knowledge is and will be produced in order to be sold, it is and will be consumed in order to be valorised in a new production: in both cases, the goal is exchange.

What is required of a working hypothesis is a fine capacity for discrimination.

Even now it is no longer composed of the traditional political class, but of a composite layer of corporate leaders, high-level administrators, and the heads of the major professional, labor, political, and religious organisations.

What guides Marxism, then, is a different model of society, and a different conception of the function of the knowledge that can be produced by society and acquired from it.

Experience by itself is not science.

In the culture at large, the war over science fiction's creative validity has been long since won, but guardians at the gates of literature, movies, and TV linger unconvinced, even as other genres fitfully transcend critical perceptions of insubstantiality.

Indeed, every true science has for its object the determination of certain phenomena by means of others, in accordance with the relations which exist between them.

I think I succeeded in getting the Egyptian people excited about the importance of science, and this is the only way Egypt can get out of this dark ages.