Capture shall only be activated by revolt, and revolt shall only be activated by capture.

'Cerebral = knowledge = Gnosis; typically Faustian, as in Goethe's Faust, part one.
Valis built the maze and fell into it. The maze changes because it is alive. 
It is alive because it draws on and from the very thoughts of the creation trapped in it; his efforts to solve it are thoughts, and it is these thoughts that 'fuel' it - i.e. it is one vast Chinese finger trap; the harder I try to get out, the more powerful world becomes. Hence Hex. 47: my increasing exhaustion. What then, should I do?'

The Exegesis PKD