They must at the same time be so expressed as to be capable of appealing to the sentiments of the masses. An ideology embodying the interests of a given ruling class would not be of the slightest use as social cement if it openly expressed its function of keeping the ruling class in power over the rest of society. The ideology must ostensibly speak in the name of 'humanity', 'the people', the race', 'the future', 'God', 'destiny', and so on.