 Yet another reason for concern about whether we can know the underlying theoretical structure of Śāntideva’s ethical thought results from what we could call (though Harris does not) the Fortunate Coincidence Thesis. By this phrase, I mean the view that our moral obligations and our prudential incentives always or almost always coincide if rightly understood. A particularly clear and striking form of the Fortunate Coincidence Thesis is expressed at BCA VIII.129: