But I don’t think they will suffice; stronger medicine may be needed. In particular, the 
proposal of this paper that we must refocus, working towards developing a framework 
for building systems that can routinely acquire, represent, and manipulate abstract 
knowledge, using that knowledge in the service of building, updating, and reasoning 
over complex, internal models of the external world. 

In some sense what I will be counseling is a return to three concerns of classical artificial 
intelligence—knowledge, internal models, and reasoning—but with the hope of 
addressing them in new ways, with a modern palette of techniques.
The Next Decade in AI-