““In our opinion, there is no public good other than one that assures the citizens' private good; we judge institutions from the point of view of the concrete opportunities they give to individuals. But neither do we confuse the idea of private interest with happiness[...]. We cannot really know what the word 'happiness' means, and still less what authentic values it covers; there is no way to measure the happiness of others, and it is always easy to call a situation that one would like to impose on others happy: in particular, we declare happy those condemned to stagnation, under the pretext that happiness is immobility.””