Manifest Activity: Thomas Reid's Theory of ActionManifest Activity presents and critically examines Thomas Reid's doctrines about the model of human power, the will, our capacities for purposeful conduct, and the place of our agency in the natural world. Reid is one of the most important philosophers of the 18th century, but hitherto under appreciated; through the reconstruction of his arguments, many of which have never before been discussed, Gideon Yaffe demonstrates that Reid's simple prose and