Labour is ... not the only source of material wealth, i.e, of the use-values it produces. As William Petty says, Labour is the father of material wealth, the earth is its mother.

The English Established Church... will more readily pardon an attack on 38 of its 39 articles than on 1/39 of its income.

The only antidote to mental suffering is physical pain.

The ruling ideas of each age have ever been the ideas of its ruling class.

Religion is only the illusory sun which revolves round man as long as he does not revolve round himself.

The working men have no country. We cannot take away from them what they have not got

In proportion as capital accumulates, the lot of the laborer, be his payment high or low, must grow worse.