• Updating Bertrand Russell for the 21st century . . . a cerebrally enjoyable survey, written with great clarity and touches of wit . . . The non-western section throws up some fascinating revelations

    Sunday Times
  • Grayling has written a masterful and often entertaining chronicle of the epic intellectual journey we humans have taken, in different periods, countries and cultures, to understand ourselves, our world, and how we ought to live. An extraordinary accomplishment that transcends the usual bounds of academic specialization

    Peter Singer, Ira W. DeCamp Professor of Bioethics, Princeton University
  • He's more historically-minded than Russell, less dogmatic than Dawkins and less in thrall to the charms of his own fluency than Hitchens

    Prospect on The Challenge of Things
  • Undeniably thought-provoking

    The Sunday Times on The God Argument
  • Grayling is particularly good at illuminating the knottiness of moral discourse

    Sunday Times on The Challenge of Things
  • Lucid, informative and admirably accessible

    New Statesman on The God Argument
  • Grayling writes with clarity, elegance and the occasional aphoristic twist

    Daily Telegraph on The Challenge of Things
  • Five minutes with any passage will have you contemplating all day

    Independent on The Good Book
  • I find the clarity of his thinking so refreshing

    Pam Ferris on The Meaning of Things
  • If there is any such person in Britain as The Thinking Man, it is A. C. Grayling

    The Times