I haven't thought about that for a long time. I haven't really read as much of Marx as we should have done. I have read quite a bit but not that much."[216] Similarly, defending John McDonnell's statement that there is "a lot to learn" from Karl Marx's book Das Kapital, Corbyn described Marx as a "great economist".[217][218] Corbyn has said he has read some of the works of Adam Smith, Karl Marx and David Ricardo and has "looked at many, many others".[217]