Add to ORKGQuine claimed that dispensing with disposition terms, such as “intelligent” or even “water-soluble,” is a mark of the maturity of a branch of science.1 The contributors to this collection couldn’t disagree more. While some may disagree about whether dispositions cause or explain their manifestations, or whether powers can supplant or make sense of laws of nature, as the editors note, they all agree that “dispositions and causal powers are an essential and indispensable part of our conceptual scheme” (31) including our scientific practices