Those who wish to rule the future need to destroy the past.

Those who wish to preserve their power need to destroy other's knowledge, and communities, and values. Because equality and justice and freedom are values, and better values than heteropatriarchal values, which call themselves family values although they break up extended families and friendships and families of choice in favor of one model of male-dominated nuclear family.

http://endablog.wordpress.com/2011/10/12/how-to-destroy-the-legitimate-productive-majority-of-society-make-sure-that-none-of-them-ever-get-trained-to-analyze-the-bullshit-that-the-idle-rich-use-to-stay-in-power/