science progresses by trial and error, and when it is forbidden to admit error there can be no progress.

Reality is never a golden age.

Utility is a metaphysical concept of impregnable circularity; utility is the quality in commodities that makes individuals want to buy them, and the fact that individuals want to buy commodities shows that they have utility.

Unequal distribution of income is an excessively uneconomic method of getting the necessary saving done.

Whatever you can rightly say about India, the opposite is also true.

A sure sign of a crisis is the prevalence of cranks. It is characteristic of a crisis in theory that cranks get a hearing from the public which orthodoxy is failing to satisfy.

It's a terrible thing to be a worker exploited in the capitalist system. The only worse thing is to be a worker unable to find anyone to exploit you.