The constitution of the International Labour Organization affirms that "universal and lasting peace can be established only if it is based upon social justice." An additional declaration adopted in Philadelphia at the 26th section affirms that "Labour is not a commodity" (I (a)), "Freedom of expression and association are essential to sustained progress" (I (b)), "Poverty anywhere constitutes a danger to prosperity everywhere" (I (c)), and that "All human beings, irrespective of race, creed or sex, have the right to pursue both their material well-being and their spiritual development in conditions of freedom and dignity, of economic security and equal opportunity". (II (a))