 The regress is not benign, however, if what we are seeking an explanation for is how anything exists, or has being, at all. For even at infinity, what the regress shows is that we have not explained where existence comes from. Even at infinity, we are still invoking things that exist in order to explain how anything exists at all… We encounter, at each level, the explanatory failure characteristic of a vicious infinite regress: existents whose existence we seek an explanation for are explained in terms of existents. The existence of \(y\) may explain the existence of \(x\) but the existence of \(x\), \(y\), \(z\), and so on ad infinitum cannot help us explain how anything exists at all—where being comes from. Whether or not a regress of grounds is vicious, therefore, will depend upon the question for which we are seeking an answer.