The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter. Alexander Graham Bell
The race question is subsidiary to the class question in politics, and to think of imperialism in terms of race is disastrous. But to neglect the racial factor as merely incidental is an error only less grave than to make it fundamental. C. L. R. James
By bourgeoisie is meant the class of modern capitalists, owners of the means of social production and employers of wage labor. By proletariat, the class of modern wage laborers who, having no means of production of their own, are reduced to selling their labor power in order to live. Friedrich Engels
Just as invasion is the true and tried weapon in the hands of capital against the class struggle, so on the other hand the fearless pursuit of the class struggle has always proven the most effective preventative of foreign invasions. Karl Liebknecht
Anyone from abroad will tell you that it is the class system that really lies at the root of our problems, economic and industrial. The House of Lords symbolises that. Tony Benn
A fact which is not denied but whose truths are rationalized loses its objective base. It ceases to be concrete and becomes a myth created in defense of the class of the perceiver. Paulo Freire