To speak the truth they will have closed mouths.

Lovely. All of a sudden television and glossy magazines seem to be relevant and useful. Read this:

[...]The critical mass of enlightenment can be defined as the smallest number of awakened human beings whose collective influence can initiate a significant shift in global consciousness. The process of creating enough enlightened ones to achieve this critical mass can be likened to the transformation of coal into diamonds. The pressure of surrounding human unconsciousness creates an urgency in the potential enlightened one to awaken from illusion. The total weight of so much unconscious 'carbon' exerts a tremendous pressure, through which a few coal stones reach the appropriate mass to become 'diamonds.' These awakened beings embody the crystal clarity of enlightened consciousness which can transform the level of consciousness of the entire planet.

[...]


The end of the Kali Yuga is history's darkest moment. In her dark age, the population explosion has dumped more unconscious human burdens on the Earth than ever before. According to the Indian mystic, Osho, these darker times exert a higher pressure of unconsciousness, which could produce a greater buddhatomic detonation of joy and awareness. Osho estimates that at least 5 percent of the human seed base has the potential intelligence to germinate an awakening. Out of an expected manure pile of 5.5 to six billion people fertilizing earth during the nightmarish nineties, there are more potential buddha buds than there were people alive on the Earth at any time for most of man's four million year history - between 275 to 300 million spiritual rebels![...]

http://deoxy.org/critmass.htm