I once read a metaphor from Daniel Dennet about effectiveness of science despite all this crap, paraphrasing: When you look at the edge of an axe at a microsco

I once read a metaphor from Daniel Dennet about effectiveness of science despite all this crap, paraphrasing: When you look at the edge of an axe at a microscope, you'll see a very ragged, uneven, broken and weak boundary. What gives the axe its cutting capacity is all the iron bulk behind it.