 Is that all there is to understanding why your house burned down? Or does it also matter, for example, how one comes to grasp this relationship? These questions push us to ask about the normative dimension of understanding, and in particular to ask: Are there better and worse ways to come by one’s grasp, and does this matter for the acquisition of understanding? For example, are careful experiments or good evidence needed? Or can one come by one’s grasp more or less by luck, and yet still in a way that generates understanding?