This led me to understand that trade unionism, the instrument of working-class liberation and of social change could, and indeed should, be also an instrument of industrial progress.

A convention was drawn up on June 17, 1925, in which the principle of supervision, as opposed to that of simple propaganda, was recognized, thanks to the efforts of the labour members, of whom I was one.

At Leeds the idea of an international labour organization appeared in a trade-union text which also drew attention to the danger to the working classes inherent in the existence of international capitalist competition.

From 1918 on, trade unionists were to express from the platforms of their congresses the workers' desire for peace through a rational organization of the world.

We too, through lack of knowledge and of sufficiently mature reflection, mistook the visible outward appearance of the phenomenon for the phenomenon itself.

This disaster did not force us to abandon our ideal; on the contrary, from the very first months of the conflict, it led us to define precisely the conditions for its realization.

This led me to understand that trade unionism, the instrument of working-class liberation and of social change could, and indeed should, be also an instrument of industrial progress.