Wisdom from a Wendell Berry essay

Once we allow our language to mean anything that anybody wants it to mean, it becomes impossible to mean what we say. When "homemade" ceases to mean neither more nor less than "made at home," then it means anything, which is to say that it means nothing.
-Wendell Berry, "In Distrust of Movements," originally published in Orion, and anthologized in The Best American Essays 2000.