The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.

Letters are the biographer's gold mine; they reveal what official records conceal.

With freedom, books, flowers and the moon who could not be happy?

The only limit to our realization of tomorrow will be our doubts of today.