The stage of the development of the productive forces determines the political and ideological superstructure of society which are crystallized into a system of social organization.

A belief is purely an individual matter, and you cannot and must not organize it. If you do, it becomes dead, crystallized; it becomes a creed, a sect, a religion, to be imposed on others.

Let the workers organize. Let the toilers assemble. Let their crystallized voice proclaim their injustices and demand their privileges. Let all thoughtful citizens sustain them, for the future of Labor is the future of America.

During the first few months of an infant's life, its manner of taking the breast, of laying its head on the pillow, etc., becomes crystallized into imperative habits. This is why education must begin in the cradle.

If the right solution is the outcome of a combination of fluid and crystallized intelligence, how can we ensure that our fluid intelligence keeps increasing as we age?

Let the workers organize. Let the toilers assemble. Let their crystallized voice proclaim their injustices and demand their privileges. Let all thoughtful citizens sustain them for the future of Labor is the future of America.

Humanistic values of equality and equal rights for all nations and individuals as crystallized in the principles of the United Nations Charter are mankind's great achievements in the 20th century.