One side benefit of being willing to say "I don't know" and to ask embarrassing questions, when one is in a position of being a supposed expert, is that this ki

One side benefit of being willing to say "I don't know" and to ask embarrassing questions, when one is in a position of being a supposed expert, is that this kind of humility lends you credibility when you do claim to know something. (I'm talking about experts with/for whom I've worked, to be clear, not myself.)