Together we have come to realize that for most men the right to learn is curtailed by the obligation to attend school.
Ivan IllichIt takes more time and effort and delicacy to learn the silence of a people than to learn its sounds. Some people have a special gift for this. Perhaps this explains why some missionaries, notwithstanding their efforts, never come to speak properly, to communicate delicately through silences. Although they "speak with the accent of natives" they remain forever thousands of miles away. The learning of the grammar of silence is an art much more difficult to learn than the grammar of sounds.
Ivan IllichEven if nonpolluting power were feasible and abundant, the use of energy on a massive scale acts on society like a drug that is physically harmless but psychically enslaving. A community can choose between Methadone and "cold turkey"-between maintaining its addiction to alien energy and kicking it in painful cramps-but no society can have a population that is hooked on progressively larger numbers of energy slaves and whose members are also autonomously active.
Ivan Illich